Suzan L Carmichael

Summary

Affiliation: Stanford University
Country: USA

Publications

  1. ncbi Diacylglycerol kinase K variants impact hypospadias in a California study population
    Suzan L Carmichael
    Department of Pediatrics, Division of Neonatology, Stanford University School of Medicine, Stanford, California 94305 5415, USA
    J Urol 189:305-11. 2013
  2. ncbi Nutritional factors and hypospadias risks
    Suzan L Carmichael
    Department of Pediatrics, Stanford University, Stanford, CA 94305 5415, USA
    Paediatr Perinat Epidemiol 26:353-60. 2012
  3. ncbi Environmental and genetic contributors to hypospadias: a review of the epidemiologic evidence
    Suzan L Carmichael
    Department of Pediatrics, Division of Neonatology, Stanford University School of Medicine, California, USA
    Birth Defects Res A Clin Mol Teratol 94:499-510. 2012
  4. ncbi Reduced risks of neural tube defects and orofacial clefts with higher diet quality
    Suzan L Carmichael
    Department of Pediatrics, Stanford University, CA 94305 5415, USA
    Arch Pediatr Adolesc Med 166:121-6. 2012
  5. ncbi Estimated dietary phytoestrogen intake and major food sources among women during the year before pregnancy
    Suzan L Carmichael
    Department of Pediatrics, Stanford University, Stanford, CA, USA
    Nutr J 10:105. 2011
  6. ncbi Craniosynostosis and nutrient intake during pregnancy
    Suzan L Carmichael
    California Research Division, March of Dimes Foundation, Oakland, California, USA
    Birth Defects Res A Clin Mol Teratol 88:1032-9. 2010
  7. ncbi Nested case-control study of one-carbon metabolites in mid-pregnancy and risks of cleft lip with and without cleft palate
    Gary M Shaw
    Department of Pediatrics, Stanford University School of Medicine, Palo Alto, CA, 94305, USA
    Pediatr Res 66:501-6. 2009
  8. ncbi 118 SNPs of folate-related genes and risks of spina bifida and conotruncal heart defects
    Gary M Shaw
    Department of Pediatrics, Division of Neonatal and Developmental Medicine, Stanford University School of Medicine, Stanford, CA, USA
    BMC Med Genet 10:49. 2009
  9. ncbi Maternal corticosteroid use and hypospadias
    Suzan L Carmichael
    California Research Division, March of Dimes Foundation, Oakland, CA 94609, USA
    J Pediatr 155:39-44, 44.e1. 2009
  10. ncbi Mid-pregnancy cotinine and risks of orofacial clefts and neural tube defects
    Gary M Shaw
    March of Dimes California Research Division, Children s Hospital Oakland Research Institute, Oakland, CA 94609, USA
    J Pediatr 154:17-9. 2009

Detail Information

Publications54

  1. ncbi Diacylglycerol kinase K variants impact hypospadias in a California study population
    Suzan L Carmichael
    Department of Pediatrics, Division of Neonatology, Stanford University School of Medicine, Stanford, California 94305 5415, USA
    J Urol 189:305-11. 2013
    ..Our objectives were to determine whether this finding could be replicated in a more racially/ethnically diverse study population of California births and to provide a more comprehensive investigation of variants...
  2. ncbi Nutritional factors and hypospadias risks
    Suzan L Carmichael
    Department of Pediatrics, Stanford University, Stanford, CA 94305 5415, USA
    Paediatr Perinat Epidemiol 26:353-60. 2012
    ..We examined whether hypospadias was associated with several aspects of the diet, including intake of animal products, intake of several nutrients and food groups related to a vegetarian diet and oestrogen metabolism, and diet quality...
  3. ncbi Environmental and genetic contributors to hypospadias: a review of the epidemiologic evidence
    Suzan L Carmichael
    Department of Pediatrics, Division of Neonatology, Stanford University School of Medicine, California, USA
    Birth Defects Res A Clin Mol Teratol 94:499-510. 2012
    ....
  4. ncbi Reduced risks of neural tube defects and orofacial clefts with higher diet quality
    Suzan L Carmichael
    Department of Pediatrics, Stanford University, CA 94305 5415, USA
    Arch Pediatr Adolesc Med 166:121-6. 2012
    ..To examine whether better maternal diet quality was associated with reduced risk for selected birth defects...
  5. ncbi Estimated dietary phytoestrogen intake and major food sources among women during the year before pregnancy
    Suzan L Carmichael
    Department of Pediatrics, Stanford University, Stanford, CA, USA
    Nutr J 10:105. 2011
    ..Recently published data on phytoestrogen content of a wide range of foods provide an opportunity to improve estimation of dietary phytoestrogen intake...
  6. ncbi Craniosynostosis and nutrient intake during pregnancy
    Suzan L Carmichael
    California Research Division, March of Dimes Foundation, Oakland, California, USA
    Birth Defects Res A Clin Mol Teratol 88:1032-9. 2010
    ..To examine the association of craniosynostosis with maternal intake of folic acid-containing supplements and dietary nutrients...
  7. ncbi Nested case-control study of one-carbon metabolites in mid-pregnancy and risks of cleft lip with and without cleft palate
    Gary M Shaw
    Department of Pediatrics, Stanford University School of Medicine, Palo Alto, CA, 94305, USA
    Pediatr Res 66:501-6. 2009
    ..These data did not show meaningful differences between cases and controls for any other analytes...
  8. ncbi 118 SNPs of folate-related genes and risks of spina bifida and conotruncal heart defects
    Gary M Shaw
    Department of Pediatrics, Division of Neonatal and Developmental Medicine, Stanford University School of Medicine, Stanford, CA, USA
    BMC Med Genet 10:49. 2009
    ..Investigations into genetic variation that influences transport and metabolism of folate will help fill this data gap. We focused on 118 SNPs involved in folate transport and metabolism...
  9. ncbi Maternal corticosteroid use and hypospadias
    Suzan L Carmichael
    California Research Division, March of Dimes Foundation, Oakland, CA 94609, USA
    J Pediatr 155:39-44, 44.e1. 2009
    ..To explore whether women who reported corticosteroid use during pregnancy were more likely to deliver an infant with hypospadias than women who did not...
  10. ncbi Mid-pregnancy cotinine and risks of orofacial clefts and neural tube defects
    Gary M Shaw
    March of Dimes California Research Division, Children s Hospital Oakland Research Institute, Oakland, CA 94609, USA
    J Pediatr 154:17-9. 2009
    ..We have correlated measurements of cotinine (a nicotine metabolite) in mid-pregnancy sera with clefts and NTDs...
  11. ncbi Periconceptional nutrient intakes and risks of neural tube defects in California
    Suzan L Carmichael
    California Research Division, March of Dimes Foundation, Oakland, California 94609 1673, USA
    Birth Defects Res A Clin Mol Teratol 88:670-8. 2010
    ....
  12. ncbi NTD prevalences in central California before and after folic acid fortification
    Brian H Chen
    March of Dimes Foundation, California Research Division, Oakland, California 94609, USA
    Birth Defects Res A Clin Mol Teratol 82:547-52. 2008
    ..This study examined whether the declining prefortification (1989-1996) NTD prevalences continued into the postfortification period (1998-2003) in selected California counties...
  13. ncbi Craniosynostosis and maternal smoking
    Suzan L Carmichael
    March of Dimes Foundation, California Research Division, Oakland, California, USA
    Birth Defects Res A Clin Mol Teratol 82:78-85. 2008
    ..Several previous studies suggested increased risk of craniosynostosis among infants born to women who smoked...
  14. ncbi Periconceptional glycaemic load and intake of sugars and their association with neural tube defects in offspring
    Gary M Shaw
    March of Dimes, California Research Division, Children s Hospital Oakland Research Institute, 5700 Martin Luther King Jr Way, Oakland, CA 94609, USA
    Paediatr Perinat Epidemiol 22:514-9. 2008
    ..The reasons for current findings to be inconsistent with previous findings are unknown...
  15. ncbi Nutrient pathways and neural tube defects: a semi-Bayesian hierarchical analysis
    Suzan L Carmichael
    California Research Division, March of Dimes Foundation, Children s Hospital Oakland Research Institute, Oakland, CA 94609, USA
    Epidemiology 20:67-73. 2009
    ..The hierarchical approach produces more plausible, more stable estimates than the conventional approach, while adjusting for potential confounding by other nutrients...
  16. ncbi Hypospadias and intake of nutrients related to one-carbon metabolism
    Suzan L Carmichael
    California Research Division, March of Dimes Foundation, Oakland, California, USA
    J Urol 181:315-21; discussion 321. 2009
    ....
  17. ncbi Occurrence of low birthweight and preterm delivery among California infants before and after compulsory food fortification with folic acid
    Gary M Shaw
    March of Dimes Birth Defects Foundation, California Birth Defects Monitoring Program, Berkeley, CA, USA
    Public Health Rep 119:170-3. 2004
    ..S. The objective of this study was to investigate the frequencies of low birthweight and preterm delivery after mandatory folic acid fortification among approximately six million California births...
  18. ncbi Maternal stressful life events and risks of birth defects
    Suzan L Carmichael
    March of Dimes Birth Defect Foundation, California Department of Health Services, California Birth Defects Monitoring Program, Berkeley, CA, USA
    Epidemiology 18:356-61. 2007
    ..Several previous studies suggest that maternal stress may be associated with increased risk of certain birth defects. This study examined the association of maternal stressful life events with risks of several birth defects...
  19. ncbi Choline and risk of neural tube defects in a folate-fortified population
    Gary M Shaw
    Stanford University School of Medicine, Stanford, California, USA
    Epidemiology 20:714-9. 2009
    ..Even so, NTDs continue to occur despite individual supplementation or population fortification with folic acid. We investigated other nutrients related to one-carbon metabolism that may affect NTD risk...
  20. ncbi Periconceptional intake of folic acid and food folate and risks of preterm delivery
    Gary M Shaw
    Stanford University School of Medicine, Stanford, California, USA
    Am J Perinatol 28:747-52. 2011
    ..Findings suggest some evidence that folates influenced risks; however, an interpretation of results was also consistent with no association between intake of folates and preterm delivery...
  21. ncbi Maternal periconceptional alcohol consumption and risk for conotruncal heart defects
    Suzan L Carmichael
    March of Dimes Birth Defects Foundation/California Department of Health Services, California Birth Defects Monitoring Program, Oakland, California, USA
    Birth Defects Res A Clin Mol Teratol 67:875-8. 2003
    ..Most of the risk estimates were imprecise, and chance could not be ruled out as an explanation for the observed findings...
  22. ncbi Maternal corticosteroid use and orofacial clefts
    Suzan L Carmichael
    March of Dimes Foundation California Department of Health Services, California Birth Defects Monitoring Program, Berkeley, CA, USA
    Am J Obstet Gynecol 197:585.e1-7; discussion 683-4, e1-7. 2007
    ..The purpose of this study was to examine whether maternal corticosteroid use during pregnancy is associated with delivering an infant with an orofacial cleft...
  23. ncbi Association of microtia with maternal obesity and periconceptional folic acid use
    Chen Ma
    California Research Division, March of Dimes Foundation, Children s Hospital Oakland Research Institute, 5700 Martin Luther King, Jr Way, Oakland, CA 94609, USA
    Am J Med Genet A 152:2756-61. 2010
    ..This analysis suggests that maternal periconceptional intake of folic-acid-containing supplements may provide protection from microtia for non-obese women...
  24. ncbi Congenital malformations co-occurring with hypospadias in California, 1983-1997
    Wei Yang
    March of Dimes, California Research Division, Children s Hospital Oakland Research Institute, Oakland, California, USA
    Am J Med Genet A 143:2627-34. 2007
    ..Computations were extended to 4-digit level BPA codes. Almost all observed relative risks for malformations co-occurring with hypospadias overall and three subgroups were less than 1...
  25. ncbi Markers of acculturation and risk of NTDs among Hispanic women in California
    Suzan L Carmichael
    California Research Division, March of Dimes Foundation, Oakland, California 94609, USA
    Birth Defects Res A Clin Mol Teratol 82:755-62. 2008
    ..It also examines whether known NTD risk factors explain observed differences in risk among Hispanic women who are more and less acculturated...
  26. ncbi Maternal nutrition and gastroschisis: findings from the National Birth Defects Prevention Study
    Marcia L Feldkamp
    Division of Medical Genetics, Department of Pediatrics, University of Utah, Salt Lake City, USA
    Am J Obstet Gynecol 204:404.e1-404.e10. 2011
    ..Gastroschisis is increasing in many countries, especially among young women. Because young women may have inadequate nutrition, we assessed the relationship between individual nutrients and the risk for gastroschisis...
  27. ncbi Dieting behaviors and risk of neural tube defects
    Suzan L Carmichael
    March of Dimes Birth Defects Foundation California Department of Health Services, California Birth Defects Monitoring Program, Oakland, CA, USA
    Am J Epidemiol 158:1127-31. 2003
    ..7, 95% confidence interval: 0.7, 10.2). This study suggests that maternal dieting behaviors involving restricted food intake during the first trimester may be associated with increased NTD risk...
  28. ncbi Prepregnant obesity and risks of selected birth defects in offspring
    Gary M Shaw
    March of Dimes, California Research Division, Children s Hospital Oakland Research Institute, Oakland, CA, USA
    Epidemiology 19:616-20. 2008
    ..We investigated the previously observed association between obesity and spina bifida and also possible associations between obesity and other birth defects...
  29. ncbi Chromosomal abnormalities among children born with conotruncal cardiac defects
    Edward J Lammer
    Children s Hospital Oakland Research Institute, Oakland, California 94609, USA
    Birth Defects Res A Clin Mol Teratol 85:30-5. 2009
    ..This study describes the frequency of chromosome abnormalities and microdeletion of 22q11 associated among infants and fetuses delivered with conotruncal heart malformations...
  30. ncbi Periconceptional nutrient intakes and risks of conotruncal heart defects
    Gary M Shaw
    Stanford University School of Medicine, Stanford, California 94305, USA
    Birth Defects Res A Clin Mol Teratol 88:144-51. 2010
    ..We investigated the observed association between conotruncal heart defects and periconceptional vitamin use, as well as potential associations with other dietary nutrients...
  31. ncbi Trends in the probability of twins and males in California, 1983-2003
    Jill Hardin
    March of Dimes, California Research Division, Children s Hospital Oakland Research Institute, Oakland, California 94609, United States of America
    Twin Res Hum Genet 12:93-102. 2009
    ..The cause of the increase in twins is unknown but coincides with trends towards delayed childbearing and increased use of subfertility treatments...
  32. ncbi Prepregnancy obesity: a complex risk factor for selected birth defects
    Suzan L Carmichael
    California Research Division, March of Dimes Foundation, 5700 Martin Luther King, Jr Way, Oakland, CA 94609, USA
    Birth Defects Res A Clin Mol Teratol 88:804-10. 2010
    ....
  33. ncbi Congenital malformations in births with orofacial clefts among 3.6 million California births, 1983-1997
    Gary M Shaw
    March of Dimes Birth Defects Foundation, California Birth Defects Monitoring Program, Oakland, California 94710, USA
    Am J Med Genet A 125:250-6. 2004
    ..These observed patterns tended to be similar for CP and for CLP...
  34. ncbi Limb deficiency defects, MSX1, and exposure to tobacco smoke
    Suzan L Carmichael
    March of Dimes Birth Defect Foundation California Department of Health Services, California Birth Defects Monitoring Program, Oakland, California 94710, USA
    Am J Med Genet A 125:285-9. 2004
    ..This finding contrasts with results of a previous study, which provided initial evidence for such an interaction. Several important methodological differences may have contributed to the differences in findings between the two studies...
  35. ncbi Socio-economic status and risk of conotruncal heart defects and orofacial clefts
    Suzan L Carmichael
    March of Dimes Birth Defects Foundation California Department of Health Services, California Birth Defects Monitoring Program, Oakland, CA 94710, USA
    Paediatr Perinat Epidemiol 17:264-71. 2003
    ..4 for dTGA, and ORs for all six measures were < 0.7 for TOF. ORs for clefts tended to be closer to 1. This study suggests that SES risks are birth defect specific...
  36. ncbi Nutrient intakes in women and risks of anophthalmia and microphthalmia in their offspring
    Gary M Shaw
    March of Dimes Birth Defects Foundation, California Research Division, Oakland, California, USA
    Birth Defects Res A Clin Mol Teratol 79:708-13. 2007
    ..In this population-based case-control study we investigated whether periconceptional intakes of supplemental folic acid, dietary folate, vitamin A, and several other nutrients were associated with these eye defects...
  37. ncbi Food fortification with folic acid and twinning among California infants
    Gary M Shaw
    March of Dimes Birth Defects Foundation, California Birth Defects Monitoring Program, Oakland, California 94606, USA
    Am J Med Genet A 119:137-40. 2003
    ..Our results do not suggest a change in twinning prevalence associated with folic acid fortification of the US food supply among women delivering in California...
  38. ncbi Socioeconomic measures, orofacial clefts, and conotruncal heart defects in California
    Suzan L Carmichael
    California Research Division, March of Dimes Foundation, Oakland, California 94609, USA
    Birth Defects Res A Clin Mol Teratol 85:850-7. 2009
    ..To examine the association of multiple measures of socioeconomic status (SES) with risks of orofacial clefts and conotruncal heart defects...
  39. ncbi Hypospadias in California: trends and descriptive epidemiology
    Suzan L Carmichael
    March of Dimes Birth Defect Foundation, California Birth Defects Monitoring Program, Oakland, California, USA
    Epidemiology 14:701-6. 2003
    ..We used actively ascertained, population-based data for which detailed clinical descriptions permitted careful phenotypic classifications...
  40. ncbi Maternal food insecurity is associated with increased risk of certain birth defects
    Suzan L Carmichael
    March of Dimes Foundation, California Birth Defects Monitoring Program, Berkeley, CA 94710, USA
    J Nutr 137:2087-92. 2007
    ..e. 2), the corresponding OR was 1.16 (95% CI 0.96, 1.38). This study suggests that increased risks of certain birth defects may be included among the negative consequences of food insecurity...
  41. ncbi Nutrient intakes in women and congenital diaphragmatic hernia in their offspring
    Wei Yang
    March of Dimes, California Research Division, Oakland, California 94609, USA
    Birth Defects Res A Clin Mol Teratol 82:131-8. 2008
    ..The etiologies of CDH remain unknown, although experimental animal data suggest dietary factors might play a role. This study examined whether maternal nutrient intakes were associated with delivering infants with CDH...
  42. ncbi Considering the vascular hypothesis for the pathogenesis of small intestinal atresia: a case control study of genetic factors
    Tanya Gupta
    University of California San Diego School of Medicine, La Jolla, CA, USA
    Am J Med Genet A 161:702-10. 2013
    ..These results also identify genes meriting further exploration in SIA studies. Hence, this study makes an important contribution by exploring the long-held but not well-investigated vascular hypothesis...
  43. ncbi Thymidylate synthase polymorphisms and risks of human orofacial clefts
    Gary M Shaw
    Department of Pediatrics, Division of Neonatal and Developmental Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA
    Birth Defects Res A Clin Mol Teratol 97:95-100. 2013
    ..We investigated effect measure modification between these variants and maternal folate intake for cleft risk...
  44. ncbi Association of microtia with maternal nutrition
    Chen Ma
    Department of Pediatrics, Stanford University, Stanford, California
    Birth Defects Res A Clin Mol Teratol 94:1026-32. 2012
    ..Few studies have investigated the potential association of maternal dietary intake and risk of microtia among offspring...
  45. ncbi Cancer in children with nonchromosomal birth defects
    Paul Graham Fisher
    Department of Neurology, Stanford University, Palo Alto, CA, USA
    J Pediatr 160:978-83. 2012
    ..To examine whether the incidence of childhood cancer is elevated in children with birth defects but no chromosomal anomalies...
  46. ncbi Association between 49 infant gene polymorphisms and preterm delivery
    Brian H Chen
    California Birth Defects Monitoring Program, March of Dimes Foundation, Berkeley, California 94710, USA
    Am J Med Genet A 143:1990-6. 2007
    ..4, 95% CI = 0.2-0.8). This finding suggests the coagulation/thrombophilic pathway may influence the development of preterm delivery...
  47. ncbi Epidemiologic characteristics of anotia and microtia in California, 1989-1997
    Gary M Shaw
    March of Dimes Birth Defects Foundation, California Birth Defects Monitoring Program, Berkeley, California, USA
    Birth Defects Res A Clin Mol Teratol 70:472-5. 2004
    ..There is a paucity of epidemiologic information about the external ear malformations anotia and microtia...
  48. ncbi Timing of prenatal care initiation and risk of congenital malformations
    Suzan L Carmichael
    March of Dimes Birth Defect Foundation, California Birth Defects Monitoring Program, Oakland, California 94606, USA
    Teratology 66:326-30. 2002
    ..This study uses data from a large population-based registry to explore the association of timing of prenatal care initiation with risks of selected congenital malformation phenotypes...
  49. ncbi Maternal periconceptional vitamins: interactions with selected factors and congenital anomalies?
    Gary M Shaw
    March of Dimes Birth Defects Foundation, California Birth Defects Monitoring Program, Oakland, California 94606, USA
    Epidemiology 13:625-30. 2002
    ..We hypothesized that effects of congenital anomalies associated with maternal fever, cigarette smoking or alcohol use would be modified by intake of vitamins...
  50. ncbi Hypospadias and halogenated organic pollutant levels in maternal mid-pregnancy serum samples
    Suzan L Carmichael
    California Research Division, March of Dimes Foundation, Oakland, CA 94609, USA
    Chemosphere 80:641-6. 2010
    ..Environmental contaminants that disrupt endocrine function may contribute to hypospadias etiology...
  51. ncbi Association between weight gain during pregnancy and neural tube defects and gastroschisis in offspring
    Wei Yang
    Department of Pediatrics, Stanford University, Stanford, California, USA
    Birth Defects Res A Clin Mol Teratol 94:1019-25. 2012
    ..The objective of this study was to investigate the association of maternal weight gain with neural tube defects (NTDs) and gastroschisis among offspring...
  52. ncbi Social networks and risk of neural tube defects
    Suzan L Carmichael
    March of Dimes Birth Defects Foundation California Department of Health Services, California Birth Defects Monitoring Program, Oakland, CA 94606 5226, USA
    Eur J Epidemiol 18:129-33. 2003
    ..This study is the first to investigate the association between social networks and risk of NTDs. Stronger inferences await replication and extension of these results...
  53. ncbi The estimated probability of dizygotic twins: a comparison of two methods
    Jill Hardin
    March of Dimes, California Research Division, Children s Hospital Oakland Research Institute, Oakland, California 94609, United States of America
    Twin Res Hum Genet 12:79-85. 2009
    ..Using the above general maximum likelihood estimate, the probability of a dizygotic twin is subject to substantial variation that is largely a function of twin data ascertainment method...
  54. ncbi Congenital malformations in offspring of Vietnamese women in California, 1985-97
    Gary M Shaw
    March of Dimes Birth Defects Foundation, California Birth Defects Monitoring Program, Oakland, California 94606, USA
    Teratology 65:121-4. 2002
    ..Little is known about reproductive outcome risks for Vietnamese women delivering infants and fetuses in the U.S...