A J Wilcox

Summary

Affiliation: National Institutes of Health
Country: USA

Publications

  1. ncbi request reprint Commentary: On the paradoxes of birthweight
    Allen J Wilcox
    Epidemiology Branch, National Institute of Environmental Health Sciences, PO Box 12233, Durham NC 27709, USA
    Int J Epidemiol 32:632-3. 2003
  2. pmc Folic acid supplements and risk of facial clefts: national population based case-control study
    Allen J Wilcox
    Epidemiology Branch, National Institute of Environmental Health Sciences NIH, Durham, NC 27709, USA
    BMJ 334:464. 2007
  3. ncbi request reprint The analysis of recurrence risk as an epidemiological tool
    Allen J Wilcox
    Epidemiology Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Durham, NC 27709, USA
    Paediatr Perinat Epidemiol 21:4-7. 2007
  4. ncbi request reprint Invited commentary: analysis of gestational-age-specific mortality--on what biologic foundations?
    Allen J Wilcox
    Epidemiology Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Durham, NC 27709, USA
    Am J Epidemiol 160:213-4; discussion 215-6. 2004
  5. ncbi request reprint On the frequency of intercourse around ovulation: evidence for biological influences
    A J Wilcox
    National Institute of Environment Health Sciences, Durham, NC, USA
    Hum Reprod 19:1539-43. 2004
  6. ncbi request reprint Familial patterns of preterm delivery: maternal and fetal contributions
    Allen J Wilcox
    Epidemiology Branch, National Institute of Environmental Health Sciences, Durham, NC 27709, USA
    Am J Epidemiol 167:474-9. 2008
  7. pmc Invited commentary: Natural versus unnatural sex ratios--a quandary of modern times
    Allen J Wilcox
    Epidemiology Branch, National Institute of Environmental Health Sciences, Durham, NC 27709, USA
    Am J Epidemiol 174:1332-4; discussion 1335. 2011
  8. ncbi request reprint Invited commentary: the perils of birth weight--a lesson from directed acyclic graphs
    Allen J Wilcox
    Epidemiology Branch, National Institute of Environmental Health Sciences, Durham, NC 27709, USA
    Am J Epidemiol 164:1121-3; discussion 1124-5. 2006
  9. ncbi request reprint On the importance--and the unimportance--of birthweight
    A J Wilcox
    Epidemiology Branch, National Institute of Environmental Health Sciences, Durham NC 27709, USA
    Int J Epidemiol 30:1233-41. 2001
  10. ncbi request reprint Likelihood of conception with a single act of intercourse: providing benchmark rates for assessment of post-coital contraceptives
    A J Wilcox
    Epidemiology Branch, National Institute of Environmental Health Sciences, Durham, NC, USA
    Contraception 63:211-5. 2001

Detail Information

Publications65

  1. ncbi request reprint Commentary: On the paradoxes of birthweight
    Allen J Wilcox
    Epidemiology Branch, National Institute of Environmental Health Sciences, PO Box 12233, Durham NC 27709, USA
    Int J Epidemiol 32:632-3. 2003
  2. pmc Folic acid supplements and risk of facial clefts: national population based case-control study
    Allen J Wilcox
    Epidemiology Branch, National Institute of Environmental Health Sciences NIH, Durham, NC 27709, USA
    BMJ 334:464. 2007
    ..To explore the role of folic acid supplements, dietary folates, and multivitamins in the prevention of facial clefts...
  3. ncbi request reprint The analysis of recurrence risk as an epidemiological tool
    Allen J Wilcox
    Epidemiology Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Durham, NC 27709, USA
    Paediatr Perinat Epidemiol 21:4-7. 2007
    ..In addition to providing information on causality, recurrence risk offers a means for more efficient design of aetiological studies...
  4. ncbi request reprint Invited commentary: analysis of gestational-age-specific mortality--on what biologic foundations?
    Allen J Wilcox
    Epidemiology Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Durham, NC 27709, USA
    Am J Epidemiol 160:213-4; discussion 215-6. 2004
  5. ncbi request reprint On the frequency of intercourse around ovulation: evidence for biological influences
    A J Wilcox
    National Institute of Environment Health Sciences, Durham, NC, USA
    Hum Reprod 19:1539-43. 2004
    ..Such coordination has not been established in humans. We explored this possibility by examining patterns of sexual intercourse in relation to ovulation...
  6. ncbi request reprint Familial patterns of preterm delivery: maternal and fetal contributions
    Allen J Wilcox
    Epidemiology Branch, National Institute of Environmental Health Sciences, Durham, NC 27709, USA
    Am J Epidemiol 167:474-9. 2008
    ..The increased risk of preterm delivery among mothers born preterm is consistent with heritable maternal phenotypes that confer a propensity to deliver preterm...
  7. pmc Invited commentary: Natural versus unnatural sex ratios--a quandary of modern times
    Allen J Wilcox
    Epidemiology Branch, National Institute of Environmental Health Sciences, Durham, NC 27709, USA
    Am J Epidemiol 174:1332-4; discussion 1335. 2011
    ..The possible role of sex selection in the Cuban context is discussed...
  8. ncbi request reprint Invited commentary: the perils of birth weight--a lesson from directed acyclic graphs
    Allen J Wilcox
    Epidemiology Branch, National Institute of Environmental Health Sciences, Durham, NC 27709, USA
    Am J Epidemiol 164:1121-3; discussion 1124-5. 2006
    ..It is possible for a factor to be protective within every stratum of a variable and yet be damaging overall. Questions remain as to the causal role of birth weight...
  9. ncbi request reprint On the importance--and the unimportance--of birthweight
    A J Wilcox
    Epidemiology Branch, National Institute of Environmental Health Sciences, Durham NC 27709, USA
    Int J Epidemiol 30:1233-41. 2001
    ..While the ordinary approaches to birthweight are not well grounded, the links between birthweight and a range of health outcomes may nonetheless reflect the workings of biological mechanisms with implications for human health...
  10. ncbi request reprint Likelihood of conception with a single act of intercourse: providing benchmark rates for assessment of post-coital contraceptives
    A J Wilcox
    Epidemiology Branch, National Institute of Environmental Health Sciences, Durham, NC, USA
    Contraception 63:211-5. 2001
    ..We find that the possibility of late ovulation produces a persistent risk of pregnancy even into the sixth week of the cycle. Post-coital contraceptives may be indicated even when intercourse has occurred late in the cycle...
  11. pmc On the pitfalls of adjusting for gestational age at birth
    Allen J Wilcox
    Epidemiology Branch MD A3 05, National Institute of Environmental Health Sciences, P O Box 12233, Durham, NC 27709, USA
    Am J Epidemiol 174:1062-8. 2011
    ..Under plausible conditions, frank reversal of exposure-outcome associations can occur. When the purpose is causal inference, there are few settings in which adjustment for gestational age can be justified...
  12. ncbi request reprint Natural limits of pregnancy testing in relation to the expected menstrual period
    A J Wilcox
    Epidemiology Branch, MD A3 05, National Institute of Environmental Health Sciences, Durham, NC 27709, USA
    JAMA 286:1759-61. 2001
    ..quot; However, a pregnancy cannot be detected before the blastocyst implants. Due to natural variability in the timing of ovulation, implantation does not necessarily occur before the expected onset of next menses...
  13. ncbi request reprint Ethylene oxide exposure may increase the risk of spontaneous abortion, preterm birth, and postterm birth
    A S Rowland
    Epidemiology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA
    Epidemiology 7:363-8. 1996
    ..5 (95% CI = 1.0-6.1) after adjusting for age, nitrous oxide, and number of mercury amalgams prepared. These data further implicate ethylene oxide as a possible reproductive toxicant in humans...
  14. pmc The association of maternal factors with delayed implantation and the initial rise of urinary human chorionic gonadotrophin
    A M Z Jukic
    Epidemiology Branch, National Institute of Environmental Health Sciences, PO Box 12233, MD A3 05, Durham, NC 27709, USA
    Hum Reprod 26:920-6. 2011
    ..002). CONCLUSIONS Although limited by small numbers and infrequent exposures, our analyses suggest that a woman's exposures both early in life and at the time of pregnancy may influence early development of the conceptus...
  15. ncbi request reprint Urinary hCG patterns during the week following implantation
    P A Nepomnaschy
    Epidemiology Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Department of Health and Human Services, Research Triangle Park, NC, USA
    Hum Reprod 23:271-7. 2008
    ..Therefore the aim of this study was to describe the average profile of hCG and its variability during the 7 days following estimated implantation in a population of naturally conceived pregnancies...
  16. pmc Bleeding following pregnancy loss before 6 weeks' gestation
    J H E Promislow
    Social and Scientific Systems, National Institute of Environmental Health Sciences, Durham, NC 27703, USA
    Hum Reprod 22:853-7. 2007
    ..Pregnancy loss before 6 weeks' gestation is common, but little has been reported about the associated bleeding. We compared women's bleeding following a pregnancy loss before 6 weeks' gestation with their typical menstruation...
  17. ncbi request reprint Assessing human fertility using several markers of ovulation
    D B Dunson
    Biostatistics Branch, National Institute of Environmental Health Sciences, National Insitites of Health, Research Triangle Park, NC 27709, USA
    Stat Med 20:965-78. 2001
    ..Published in 2001 by John Wiley & Sons, Ltd...
  18. pmc Association between inhibited binding of folic acid to folate receptor alpha in maternal serum and folate-related birth defects in Norway
    A L Boyles
    Epidemiology Branch, NIEHS NIH, Durham, NC 27709, USA
    Hum Reprod 26:2232-8. 2011
    ..We explored the relationship of these birth defects to inhibition of folic acid binding to folate receptor α (FRα), as well as possible effects of parental demographics or prenatal exposures...
  19. ncbi request reprint Sexual activity during late pregnancy and risk of preterm delivery
    A E Sayle
    Epidemiology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina, USA
    Obstet Gynecol 97:283-9. 2001
    ..However, we cannot exclude the possibility that a small subgroup of susceptible women might have adverse consequences of sexual activity...
  20. pmc Folate and one-carbon metabolism gene polymorphisms and their associations with oral facial clefts
    Abee L Boyles
    Epidemiology Branch, National Institute of Environmental Health Sciences NIH, Durham, North Carolina 27709, USA
    Am J Med Genet A 146:440-9. 2008
    ..No associations were found between any of the polymorphisms and CPO. Genetic variations in the nine metabolic genes examined here do not confer a substantial degree of risk for clefts...
  21. ncbi request reprint Trends in fetal and infant survival following preeclampsia
    Olga Basso
    Epidemiology Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Department of Health and Human Services, Research Triangle Park, NC 27709, USA
    JAMA 296:1357-62. 2006
    ..This practice has increased in recent decades, but its net effect on fetal and infant survival has not been assessed...
  22. pmc Maternal alcohol consumption, alcohol metabolism genes, and the risk of oral clefts: a population-based case-control study in Norway, 1996-2001
    Abee L Boyles
    Epidemiology Branch, National Institute of Environmental Health Sciences, Durham, North Carolina 27709, USA
    Am J Epidemiol 172:924-31. 2010
    ..9, 95% CI: 0.2, 4.1). The teratogenic effect of alcohol may depend on the genetic capacity of the mother and fetus to metabolize alcohol...
  23. ncbi request reprint Can men provide accurate confounder data about their partners for Time-to-Pregnancy studies?
    Ruby H N Nguyen
    National Institute of Environmental Health Sciences, Research Triangle Park, NC 27703, USA
    Ann Epidemiol 17:186-90. 2007
    ..In many occupation-based TTP studies, all information is collected through the male partner. There are no data on the validity of the man's report of his partner's fertility-related behavior...
  24. pmc Effects of early pregnancy loss on hormone levels in the subsequent menstrual cycle
    Anne Marie Z Jukic
    Epidemiology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA
    Gynecol Endocrinol 26:897-901. 2010
    ..Very early pregnancy losses do not appear to influence subsequent menstrual cycles to the same degree as spontaneous miscarriages...
  25. pmc Intersecting birth weight-specific mortality curves: solving the riddle
    Olga Basso
    Epidemiology Branch, National Institute of Environmental Health Sciences NIH, 111 T W Alexander Drive, Research Triangle Park, NC 27709, USA
    Am J Epidemiol 169:787-97. 2009
    ..It follows that the true gradient of mortality with birth weight would be weaker than what is observed, if indeed there is any true gradient at all...
  26. ncbi request reprint Parent's occupation and isolated orofacial clefts in Norway: a population-based case-control study
    Ruby H N Nguyen
    National Institute of Environmental Health Sciences, National Institutes of Health, Durham, NC 22709, USA
    Ann Epidemiol 17:763-71. 2007
    ..Occupational factors have been associated with risk of orofacial clefts in offspring, although data are limited. We explored associations between parent's occupation and isolated orofacial clefts using a population-based case-control study...
  27. pmc Accuracy of reporting of menstrual cycle length
    Anne Marie Zaura Jukic
    Epidemiology Branch, National Institute of Environmental Health Sciences, Durham, NC 27709, USA
    Am J Epidemiol 167:25-33. 2008
    ..Studies that rely on self-reported cycle length could be prone to artifactual findings because of systematic covariate effects on reporting...
  28. pmc Lifestyle and reproductive factors associated with follicular phase length
    Anne Marie Zaura Jukic
    Epidemiology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina 27709, USA
    J Womens Health (Larchmt) 16:1340-7. 2007
    ..We sought to identify characteristics associated with follicular phase length...
  29. pmc Oral facial clefts and gene polymorphisms in metabolism of folate/one-carbon and vitamin A: a pathway-wide association study
    Abee L Boyles
    Epidemiology Branch, NIEHS NIH, Durham, North Carolina 27709, USA
    Genet Epidemiol 33:247-55. 2009
    ..Despite strong evidence for genetic causes of oral facial clefts and the protective effects of maternal vitamins, we found no convincing indication that polymorphisms in these vitamin metabolism genes play an etiologic role...
  30. pmc Measuring menstrual discomfort: a comparison of interview and diary data
    Anne Marie Zaura Jukic
    Epidemiology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA
    Epidemiology 19:846-50. 2008
    ..Menstrual discomfort is common among women of reproductive age and can be debilitating. The accuracy of self-report of menstrual discomfort is unknown...
  31. pmc First-trimester maternal alcohol consumption and the risk of infant oral clefts in Norway: a population-based case-control study
    Lisa A DeRoo
    Epidemiology Branch, National Institute of Environmental Health Sciences National Institutes of Health, Durham, NC 27709, USA
    Am J Epidemiol 168:638-46. 2008
    ..2 for cleft lip with or without cleft palate (95% confidence interval: 1.0, 10.2) and odds ratio = 3.0 for cleft palate only (95% confidence interval: 0.7, 13.0). Maternal binge-level drinking may increase the risk of infant clefts...
  32. ncbi request reprint Birth weight and mortality: causality or confounding?
    Olga Basso
    Epidemiology Branch, National Institute of Environmental Health Sciences, National Institutes of Health, US Department of Health and Human Services, Research Triangle Park, NC 27709, USA
    Am J Epidemiol 164:303-11. 2006
    ..If such rare factors underlie the association of birth weight with mortality, it would have broad implications for the study of fetal growth restriction and birth weight, and for the prevention of infant mortality...
  33. ncbi request reprint Rescue of the corpus luteum in human pregnancy
    Donna Day Baird
    Epidemiology Branch Biostatistics Branch, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina 27709, USA
    Biol Reprod 68:448-56. 2003
    ..Delineating the functional importance of an abrupt progesterone rise at the time of implantation may provide new strategies for promoting successful implantation in assisted reproduction...
  34. ncbi request reprint Men's body mass index and infertility
    Ruby H N Nguyen
    National Institute of Environmental Health Sciences NIEHS, National Institutes of Health NIH, DHHS, Research Triangle Park, NC, USA
    Hum Reprod 22:2488-93. 2007
    ..We investigated whether higher BMI among men is associated with infertility and if so, to what extent that effect might be mediated by altered sexual function...
  35. ncbi request reprint Maternal serum level of 1,1-dichloro-2,2-bis(p-chlorophenyl)ethylene and risk of cryptorchidism, hypospadias, and polythelia among male offspring
    Matthew P Longnecker
    Epidemiology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA
    Am J Epidemiol 155:313-22. 2002
    ..9 (95% CI: 0.9, 4.0) for polythelia. For cryptorchidism and polythelia, the results were consistent with a modest-to-moderate association, but in no instance was the estimate very precise. The results were inconclusive...
  36. doi request reprint Within-person variability in urinary phthalate metabolite concentrations: measurements from specimens after long-term frozen storage
    Donna Day Baird
    Epidemiology Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, North Carolina 27709, USA
    J Expo Sci Environ Epidemiol 20:169-75. 2010
    ..These findings support the use of stored urine specimens collected during the relevant stage of human pregnancy to investigate the influence of phthalate exposures on later outcomes...
  37. pmc Terms in reproductive and perinatal epidemiology: I. Reproductive terms
    Ruby H N Nguyen
    Epidemiology Branch, PO Box 12233, Mail Drop A3 05, Research Triangle Park, NC 27709, USA
    J Epidemiol Community Health 59:916-9. 2005
  38. pmc Terms in reproductive and perinatal epidemiology: 2. Perinatal terms
    Ruby H N Nguyen
    NIEHS, 111 TW Alexander Drive Epidemiology Branch Mail Drop A3 05 Research Triangle Park, North Carolina 27709, USA
    J Epidemiol Community Health 59:1019-21. 2005
    ..Part 1 covered terms relevant mostly to events and conditions before birth. Part 2 emphasises terms used during the time around and after birth...
  39. ncbi request reprint Paternal age and delivery before 32 weeks
    Olga Basso
    Epidemiology Branch, NIEHS NIH, DHHS, Research Triangle Park, NC 27709, USA
    Epidemiology 17:475-8. 2006
    ..Advanced paternal age has been linked to early preterm delivery (before 32 weeks)...
  40. pmc Outcomes of 17,137 pregnancies in 2 urban areas of Ukraine
    R E Little
    Epidemiology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA
    Am J Public Health 89:1832-6. 1999
    ..A census of pregnancies in Ukraine, a former eastern bloc country, was conducted to determine the rates of these events...
  41. pmc Identification of microdeletions in candidate genes for cleft lip and/or palate
    Min Shi
    Biostatistics Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, North Carolina, USA
    Birth Defects Res A Clin Mol Teratol 85:42-51. 2009
    ..The panels used for such analyses can detect single nucleotide polymorphisms and copy number variants, both of which may help to identify small deleted regions of the genome that may contribute to a particular disease...
  42. pmc Within-person variability in urinary bisphenol A concentrations: measurements from specimens after long-term frozen storage
    Pablo A Nepomnaschy
    Epidemiology Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, NC, USA
    Environ Res 109:734-7. 2009
    ..Our aims were to evaluate the stability of BPA in specimens after 22-24 years of storage and to measure within-person temporal variability in urinary BPA...
  43. ncbi request reprint Has human fertility declined over time?: why we may never know
    Markku Sallmen
    Epidemiology Branch, National Institute of Environmental Health Sciences, National Institute of Health, Department of Health and Human Services, Research Triangle Park, NC, USA
    Epidemiology 16:494-9. 2005
    ..Studies of couple fertility have produced conflicting results. We evaluate how changes in the availability and use of effective contraception and induced abortion might bias the direct study of time trends in couple fertility...
  44. ncbi request reprint Epidemiology of cleft palate alone and cleft palate with accompanying defects
    Emily W Harville
    Department of Epidemiology, University of North Carolina Chapel Hill, Chapel Hill, NC, USA
    Eur J Epidemiol 22:389-95. 2007
    ..Risk factors differ between cases of cleft palate with and without accompanying defects...
  45. pmc A log-linear approach to case-parent-triad data: assessing effects of disease genes that act either directly or through maternal effects and that may be subject to parental imprinting
    C R Weinberg
    Biostatistics Branch, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA
    Am J Hum Genet 62:969-78. 1998
    ..When a single allele is under study, the proposed method can yield powerful tests for detection of linkage disequilibrium and is applicable to a broader array of causal scenarios than is the TDT...
  46. ncbi request reprint Reduced fertility among women employed as dental assistants exposed to high levels of nitrous oxide
    A S Rowland
    Epidemiology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709
    N Engl J Med 327:993-7. 1992
    ..Epidemiologic studies have suggested an association between exposure to mixed anesthetic gases and impaired fertility. We investigated the effects of occupational exposure to nitrous oxide on the fertility of female dental assistants...
  47. ncbi request reprint A prospective study of the onset of symptoms of pregnancy
    Amy E Sayle
    Epidemiology Branch, National Institute of Environmental Health Sciences, Durham, NC, USA
    J Clin Epidemiol 55:676-80. 2002
    ..The earliest symptoms do not begin until after key stages of embryogenesis, reinforcing the need for women to initiate sound health behaviors before pregnancy is apparent. Published by Elsevier Science Inc...
  48. doi request reprint Infectious disease and reproductive health: a review
    Laura E Baecher-Lind
    Department of Obstetrics and Gynecology, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
    Obstet Gynecol Surv 65:53-65. 2010
    ....
  49. ncbi request reprint Subfecundity as a correlate of preeclampsia: a study within the Danish National Birth Cohort
    Olga Basso
    Danish Epidemiology Science Centre, Aarhus University, Aarhus, Denmark
    Am J Epidemiol 157:195-202. 2003
    ..30, 4.69). The authors found that a long TTP was associated with preeclampsia, supporting the hypothesis that some factors delaying clinically recognized conception may also be in a causal pathway for preeclampsia...
  50. ncbi request reprint Variants of developmental genes (TGFA, TGFB3, and MSX1) and their associations with orofacial clefts: a case-parent triad analysis
    Astanand Jugessur
    Center for Medical Genetics and Molecular Medicine, Haukeland University Hospital, Bergen, Norway
    Genet Epidemiol 24:230-9. 2003
    ..The effect of this TGFA genotype was even stronger among children homozygous for the MSX1-CA A4 allele, raising the possibility of interaction between these two genes...
  51. ncbi request reprint Exploring the effects of methylenetetrahydrofolate reductase gene variants C677T and A1298C on the risk of orofacial clefts in 261 Norwegian case-parent triads
    Astanand Jugessur
    Center for Medical Genetics and Molecular Medicine, Haukeland University Hospital, Bergen, Norway
    Am J Epidemiol 157:1083-91. 2003
    ..These findings suggest a possible role of MTHFR and folic acid in the causation of orofacial clefts, but the strength and direction of these effects remain to be clarified...
  52. doi request reprint Maternal smoking and oral clefts: the role of detoxification pathway genes
    Rolv T Lie
    Department of Public Health and Primary Health Care, University of Bergen, Norway
    Epidemiology 19:606-15. 2008
    ..There is evidence for an effect of cigarette smoking on risk of oral clefts. There are also hypothetical pathways for a biologic effect involving toxic chemicals in cigarette smoke...
  53. ncbi request reprint Maternal and paternal influences on length of pregnancy
    Rolv T Lie
    Medical Birth Registry of Norway, Locus for Registry Based Epidemiology, University of Bergen, Norwegian Institute of Public Health
    Obstet Gynecol 107:880-5. 2006
    ..Similar tendencies between mother and child could represent maternal genes passed to the fetus, as well as genes to the mother received from the grandmother that affect a woman's capacity to carry a pregnancy...
  54. ncbi request reprint Prevalence of duplications and deletions of the 22q11 DiGeorge syndrome region in a population-based sample of infants with cleft palate
    Ase Sivertsen
    Department of Public Health and Primary Health Care, University of Bergen, Bergen, Norway
    Am J Med Genet A 143:129-34. 2007
    ..We conclude that neither del22q11 nor dup22q11 testing is warranted in babies with overt cleft palate as the only finding...
  55. pmc Recurrence of pre-eclampsia across generations: exploring fetal and maternal genetic components in a population based cohort
    Rolv Skjaerven
    Section for Epidemiology and Medical Statistics, Department of Public Health and Primary Health Care, University of Bergen, Norway
    BMJ 331:877. 2005
    ..To assess the impact on risk of pre-eclampsia of genes that work through the mother, and genes of paternal origin that work through the fetus...
  56. ncbi request reprint Cleft lip and palate versus cleft lip only: are they distinct defects?
    Emily W Harville
    Department of Epidemiology, University of North Carolina Chapel Hill, Chapel Hill, NC 27599 7435, USA
    Am J Epidemiol 162:448-53. 2005
    ..7 vs. 0.7, p=0.07). Although cleft lip with cleft palate may simply represent a more severe form of the defect, epidemiologic assessments of cleft lip should, when possible, include separate analyses of these two groups...
  57. ncbi request reprint Intact HCG, free HCG beta subunit and HCG beta core fragment: longitudinal patterns in urine during early pregnancy
    Ruth McChesney
    Brooklyn College, The City University of New York, New York, NY, USA
    Hum Reprod 20:928-35. 2005
    ..Detecting and monitoring early pregnancy depend on the measurement of HCG. Little is known about how production of various forms of HCG may evolve over the earliest weeks of pregnancy, particularly in naturally conceived pregnancies...
  58. ncbi request reprint Height and risk of severe pre-eclampsia. A study within the Danish National Birth Cohort
    Olga Basso
    Department of Epidemiology and Social Medicine, Danish Epidemiology Science Centre, Aarhus University, Vennelyst Boulevard 6, 8000 Aarhus C, Denmark
    Int J Epidemiol 33:858-63. 2004
    ..Women with recurrent pre-eclampsia or pre-eclampsia early in pregnancy reportedly have an increased long-term risk of CVD. Short stature is a risk factor for CVD but has rarely been examined in relation to pre-eclampsia...
  59. ncbi request reprint Incidence of spontaneous abortion among pregnancies produced by assisted reproductive technology
    Jim X Wang
    Reproductive Medicine Unit, Department of Obstetrics and Gynaecology, University of Adelaide, The Queen Elizabeth Hospital, Woodville, SA, Australia 5011
    Hum Reprod 19:272-7. 2004
    ....
  60. ncbi request reprint Cleft palate, transforming growth factor alpha gene variants, and maternal exposures: assessing gene-environment interactions in case-parent triads
    Astanand Jugessur
    Center for Medical Genetics and Molecular Medicine, Haukeland University Hospital, Bergen, Norway
    Genet Epidemiol 25:367-74. 2003
    ..7, 95% CI=0.2-15.7). In conclusion, we find little evidence of interaction between the child's genotypes at TGFA TaqI and various exposures for cleft palate, with the possible exception of folic acid intake...
  61. pmc Familial risk of oral clefts by morphological type and severity: population based cohort study of first degree relatives
    Ase Sivertsen
    Department of Plastic Surgery, Haukeland University Hospital, NO 5021 Bergen, Norway
    BMJ 336:432-4. 2008
    ..To estimate the relative risk of recurrence of oral cleft in first degree relatives in relation to cleft morphology...
  62. ncbi request reprint The interval between pregnancies and the risk of preeclampsia
    Rolv Skjaerven
    Section for Medical Statistics, Department of Public Health and Primary Health Care, and the Medical Birth Registry of Norway, Locus for Registry Based Epidemiology, University of Bergen, Bergen, Norway
    N Engl J Med 346:33-8. 2002
    ..However, the difference in risk might instead be explained by the interval between births. A longer interbirth interval may be associated with both a change of partner and a higher risk of preeclampsia...
  63. doi request reprint Maternal dietary intake of vitamin A and risk of orofacial clefts: a population-based case-control study in Norway
    Anne Marte W Johansen
    Department of Nutrition, Institute of Basic Medical Sciences, Faculty of Medicine, University of Oslo, Oslo, Norway
    Am J Epidemiol 167:1164-70. 2008
    ..20, 1.14). Maternal intake of vitamin A is associated with reduced risk of cleft palate only, and there is no evidence of increased risk of clefts among women in our study with the highest 5% of vitamin A intake...
  64. pmc Genetic variants in IRF6 and the risk of facial clefts: single-marker and haplotype-based analyses in a population-based case-control study of facial clefts in Norway
    Astanand Jugessur
    Section for Epidemiology and Medical Statistics, Department of Public Health and Primary Health Care, University of Bergen, Bergen, Norway
    Genet Epidemiol 32:413-24. 2008
    ..113). Taken together, these findings further support a role for IRF6 variants in clefting of the lip and provide specific risk estimates in a Norwegian population...
  65. ncbi request reprint The fate of epidemiologic manuscripts: a study of papers submitted to epidemiology
    Susan A Hall
    Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
    Epidemiology 18:262-5. 2007
    ..Little is known about the success rate of epidemiologic manuscripts, or the number of rejections they may go through before being published...