Ronald J Wapner

Summary

Affiliation: Columbia University
Country: USA

Publications

  1. pmc Predictors of serum concentrations of polybrominated flame retardants among healthy pregnant women in an urban environment: a cross-sectional study
    Megan K Horton
    Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, USA
    Environ Health 12:23. 2013
  2. pmc Chromosomal microarray versus karyotyping for prenatal diagnosis
    Ronald J Wapner
    Department of Obstetrics and Gynecology, Columbia University Medical Center, New York, NY 10032, USA
    N Engl J Med 367:2175-84. 2012
  3. pmc Repeat prenatal corticosteroid prior to preterm birth: a systematic review and individual participant data meta-analysis for the PRECISE study group (prenatal repeat corticosteroid international IPD study group: assessing the effects using the best level
    Caroline A Crowther
    Australian Research Centre for Health of Women and Babies ARCH, Discipline of Obstetrics and Gynaecology, The University of Adelaide, Women s and Children s Hospital, Adelaide, Australia
    Syst Rev 1:12. 2012
  4. pmc The effect of plurality and obesity on betamethasone concentrations in women at risk for preterm delivery
    Cynthia Gyamfi
    Department of Obstetrics and Gynecology at Columbia University, New York, NY, USA
    Am J Obstet Gynecol 203:219.e1-5. 2010
  5. pmc Risk of uterine rupture and placenta accreta with prior uterine surgery outside of the lower segment
    Cynthia Gyamfi-Bannerman
    Department of Obstetrics and Gynecology, Columbia University, New York, New York 10032, USA
    Obstet Gynecol 120:1332-7. 2012
  6. doi request reprint Influence of maternal asthma and asthma severity on newborn morphometry
    Julie S Moldenhauer
    Department of Obstetrics and Gynecology, Wayne State University, Detroit, Michigan, USA
    J Asthma 47:145-9. 2010
  7. pmc Timing of elective repeat cesarean delivery at term and neonatal outcomes
    Alan T N Tita
    Department of Obstetrics and Gynecology, Division of Maternal Fetal Medicine, University of Alabama at Birmingham, 619 19th St South, Birmingham, AL 35249, USA
    N Engl J Med 360:111-20. 2009
  8. ncbi request reprint The MFMU Cesarean Registry: impact of fetal size on trial of labor success for patients with previous cesarean for dystocia
    Alan M Peaceman
    Department of Obstetrics and Gynecology, Northwestern University, Chicago, IL, USA
    Am J Obstet Gynecol 195:1127-31. 2006
  9. ncbi request reprint Trial of labor or repeat cesarean delivery in women with morbid obesity and previous cesarean delivery
    Judith U Hibbard
    Department of Obstetrics and Gynecology, University of Chicago, Chicago, Illinois 60612, USA
    Obstet Gynecol 108:125-33. 2006
  10. pmc Bone metabolism in fetuses of pregnant women exposed to single and multiple courses of corticosteroids
    Linda Fonseca
    Department of Obstetrics and Gynecology, University of Texas Health Science Center at Houston, Houston, Texas, USA
    Obstet Gynecol 114:38-44. 2009

Collaborators

Detail Information

Publications63

  1. pmc Predictors of serum concentrations of polybrominated flame retardants among healthy pregnant women in an urban environment: a cross-sectional study
    Megan K Horton
    Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, USA
    Environ Health 12:23. 2013
    ..Our objective was to characterize predictors of exposure to PBDEs among a multi-ethnic, low-income cohort of pregnant women enrolled from highly urban communities in New York City between years 2009-2010...
  2. pmc Chromosomal microarray versus karyotyping for prenatal diagnosis
    Ronald J Wapner
    Department of Obstetrics and Gynecology, Columbia University Medical Center, New York, NY 10032, USA
    N Engl J Med 367:2175-84. 2012
    ..We aimed to evaluate the accuracy, efficacy, and incremental yield of chromosomal microarray analysis as compared with karyotyping for routine prenatal diagnosis...
  3. pmc Repeat prenatal corticosteroid prior to preterm birth: a systematic review and individual participant data meta-analysis for the PRECISE study group (prenatal repeat corticosteroid international IPD study group: assessing the effects using the best level
    Caroline A Crowther
    Australian Research Centre for Health of Women and Babies ARCH, Discipline of Obstetrics and Gynaecology, The University of Adelaide, Women s and Children s Hospital, Adelaide, Australia
    Syst Rev 1:12. 2012
    ....
  4. pmc The effect of plurality and obesity on betamethasone concentrations in women at risk for preterm delivery
    Cynthia Gyamfi
    Department of Obstetrics and Gynecology at Columbia University, New York, NY, USA
    Am J Obstet Gynecol 203:219.e1-5. 2010
    ..Twin data are less clear. Obesity and body mass index (BMI) also affect medication distribution volume. We evaluated whether maternal or neonatal cord betamethasone concentrations differed in twin gestations or obese patients...
  5. pmc Risk of uterine rupture and placenta accreta with prior uterine surgery outside of the lower segment
    Cynthia Gyamfi-Bannerman
    Department of Obstetrics and Gynecology, Columbia University, New York, New York 10032, USA
    Obstet Gynecol 120:1332-7. 2012
    ..Although theoretically at increased risk for placenta accreta, this risk has not been well-quantified. Our objective was to estimate and compare the risks of uterine rupture and placenta accreta in women with prior uterine surgery...
  6. doi request reprint Influence of maternal asthma and asthma severity on newborn morphometry
    Julie S Moldenhauer
    Department of Obstetrics and Gynecology, Wayne State University, Detroit, Michigan, USA
    J Asthma 47:145-9. 2010
    ..To determine if maternal asthma or asthma severity affects newborn morphometry...
  7. pmc Timing of elective repeat cesarean delivery at term and neonatal outcomes
    Alan T N Tita
    Department of Obstetrics and Gynecology, Division of Maternal Fetal Medicine, University of Alabama at Birmingham, 619 19th St South, Birmingham, AL 35249, USA
    N Engl J Med 360:111-20. 2009
    ..We assessed associations between elective cesarean delivery at term (37 weeks of gestation or longer) but before 39 weeks of gestation and neonatal outcomes...
  8. ncbi request reprint The MFMU Cesarean Registry: impact of fetal size on trial of labor success for patients with previous cesarean for dystocia
    Alan M Peaceman
    Department of Obstetrics and Gynecology, Northwestern University, Chicago, IL, USA
    Am J Obstet Gynecol 195:1127-31. 2006
    ..The purpose of this study was to determine the influence of change in infant birth weight between pregnancies on the outcome of a trial of labor for women whose first cesarean delivery was performed for dystocia...
  9. ncbi request reprint Trial of labor or repeat cesarean delivery in women with morbid obesity and previous cesarean delivery
    Judith U Hibbard
    Department of Obstetrics and Gynecology, University of Chicago, Chicago, Illinois 60612, USA
    Obstet Gynecol 108:125-33. 2006
    ....
  10. pmc Bone metabolism in fetuses of pregnant women exposed to single and multiple courses of corticosteroids
    Linda Fonseca
    Department of Obstetrics and Gynecology, University of Texas Health Science Center at Houston, Houston, Texas, USA
    Obstet Gynecol 114:38-44. 2009
    ..To estimate the effect of single and recurrent doses of antenatal corticosteroids on fetal bone metabolism...
  11. pmc Pharmacogenomics of maternal tobacco use: metabolic gene polymorphisms and risk of adverse pregnancy outcomes
    Kjersti Aagaard-Tillery
    Department of Obstetrics and Gynecology, University of Utah School of Medicine, Salt Lake City, Utah, USA
    Obstet Gynecol 115:568-77. 2010
    ..To assess whether functional maternal or fetal genotypes along well-characterized metabolic pathways (ie, CYP1A1, GSTT1, and CYP2A6) may account for varying associations with adverse outcomes among pregnant women who smoke...
  12. pmc A multicenter, randomized trial of treatment for mild gestational diabetes
    Mark B Landon
    Department of Obstetrics and Gynecology, Ohio State University, Columbus, USA
    N Engl J Med 361:1339-48. 2009
    ..It is uncertain whether treatment of mild gestational diabetes mellitus improves pregnancy outcomes...
  13. pmc Maternal insulin resistance and preeclampsia
    John C Hauth
    Department of Obstetrics and Gynecology, University of Alabama, Birmingham, School of Medicine, Birmingham, AL 35249 7333, USA
    Am J Obstet Gynecol 204:327.e1-6. 2011
    ..The purpose of this study was to determine whether mid-trimester insulin resistance is associated with subsequent preeclampsia...
  14. pmc Vitamins C and E to prevent complications of pregnancy-associated hypertension
    James M Roberts
    Department of Obstetrics and Gynecology, University of Pittsburgh, Pittsburgh, USA
    N Engl J Med 362:1282-91. 2010
    ..We assessed the effects of antioxidant supplementation with vitamins C and E, initiated early in pregnancy, on the risk of serious adverse maternal, fetal, and neonatal outcomes related to pregnancy-associated hypertension...
  15. pmc Failed operative vaginal delivery
    James M Alexander
    Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, TX, USA
    Obstet Gynecol 114:1017-22. 2009
    ..To compare maternal and neonatal outcomes in women undergoing second-stage cesarean delivery after a trial of operative vaginal delivery with those in women undergoing second-stage cesarean delivery without such an attempt...
  16. ncbi request reprint Trial of labor after one previous cesarean delivery for multifetal gestation
    Michael W Varner
    Department of Obstetrics and Gynecology, University of Utah School of Medicine, Salt Lake City, Utah 84132, USA
    Obstet Gynecol 110:814-9. 2007
    ..To estimate success rates and risks with a trial of labor after one previous cesarean delivery for multifetal gestation compared with one previous cesarean delivery for a singleton pregnancy...
  17. pmc The frequency and complication rates of hysterectomy accompanying cesarean delivery
    Cynthia S Shellhaas
    Department of Obstetrics and Gynecology, Ohio State University, Columbus, 43210, USA
    Obstet Gynecol 114:224-9. 2009
    ..To estimate the frequency, indications, and complications of cesarean hysterectomy...
  18. pmc Does information available at admission for delivery improve prediction of vaginal birth after cesarean?
    William A Grobman
    Department of Obstetrics and Gynecology, Northwestern University, Chicago, Illinois, USA
    Am J Perinatol 26:693-701. 2009
    ..A prediction model for VBAC success, which incorporates factors that can be ascertained only as the pregnancy progresses, adds to the predictive accuracy of a model that uses only factors available at a first prenatal visit...
  19. doi request reprint Fetal male gender and the benefits of treatment of mild gestational diabetes mellitus
    Ray O Bahado-Singh
    Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, Hutzel Women s Hospital, Detroit, MI 48201, USA
    Am J Obstet Gynecol 206:422.e1-5. 2012
    ..We evaluated whether improvements in pregnancy outcomes after treatment of mild gestational diabetes mellitus differed in magnitude on the basis of fetal gender...
  20. pmc Effect of antenatal corticosteroids on respiratory morbidity in singletons after late-preterm birth
    Cynthia Gyamfi-Bannerman
    Department of Obstetrics and Gynecology, Columbia University, New York, New York 10032, USA
    Obstet Gynecol 119:555-9. 2012
    ..To evaluate whether neonates born to women who previously had received antenatal corticosteroids and then delivered a late-preterm-birth neonate had less respiratory morbidity compared with those not exposed to antenatal corticosteroids...
  21. pmc Influenza-like illness in hospitalized pregnant and postpartum women during the 2009-2010 H1N1 pandemic
    Michael W Varner
    Department of Obstetrics and Gynecology, University of Utah Health Sciences Center, Salt Lake City, Utah 84132, USA
    Obstet Gynecol 118:593-600. 2011
    ..To estimate characteristics and outcomes of pregnant and immediately postpartum women hospitalized with influenza-like illness during the 2009-2010 influenza pandemic and the factors associated with more severe illness...
  22. pmc Comparison of transverse and vertical skin incision for emergency cesarean delivery
    Blair J Wylie
    Department of Obstetrics, Columbia University, New York, New York, USA
    Obstet Gynecol 115:1134-40. 2010
    ..To compare incision-to-delivery intervals and related maternal and neonatal outcomes by skin incision in primary and repeat emergent cesarean deliveries...
  23. pmc Perinatal outcomes in Hispanic and non-Hispanic white women with mild gestational diabetes
    Erica K Berggren
    Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
    Obstet Gynecol 120:1099-104. 2012
    ..To compare perinatal outcomes between self-identified Hispanic and non-Hispanic white women with mild gestational diabetes mellitus (GDM) or glucose intolerance...
  24. doi request reprint Maternal-Fetal Medicine Units Network cesarean registry: impact of shift change on cesarean complications
    Jennifer L Bailit
    Department of Obstetrics and Gynecology, Case Western Reserve University, Cleveland, OH, USA
    Am J Obstet Gynecol 198:173.e1-5. 2008
    ..This study was undertaken to evaluate the effect of change of shift for physicians and nurses on complications associated with cesarean delivery...
  25. ncbi request reprint Risk of uterine rupture with a trial of labor in women with multiple and single prior cesarean delivery
    Mark B Landon
    Department of Obstetrics and Gynecology, Ohio State University, Columbus, Ohio, USA
    Obstet Gynecol 108:12-20. 2006
    ..To determine whether the risk for uterine rupture is increased in women attempting vaginal birth after multiple cesarean deliveries...
  26. pmc Association of fetal inflammation and coagulation pathway gene polymorphisms with neurodevelopmental delay at age 2 years
    Erin A S Clark
    Department of Obstetrics and Gynecology, School of Medicine, University of Utah, Salt Lake City, UT 84132, USA
    Am J Obstet Gynecol 203:83.e1-83.e10. 2010
    ..The purpose of this study was to evaluate the association between fetal inflammation and coagulation gene single-nucleotide polymorphisms (SNPs) and neurodevelopmental delay at age 2 years...
  27. ncbi request reprint The MFMU Cesarean Registry: impact of time of day on cesarean complications
    Jennifer L Bailit
    Department of Obstetrics and Gynecology, Case Western Reserve University, Cleveland, OH, USA
    Am J Obstet Gynecol 195:1132-7. 2006
    ..Studies suggest that sleep deprivation adversely affects performance. We hypothesized that cesarean delivery complications would be more frequent during the night shift (11 pm-7 am), and evaluated morbidities by delivery shift...
  28. pmc The effect of active and passive household cigarette smoke exposure on pregnant women with asthma
    Roger B Newman
    Department of Obstetrics and Gynecology, Medical University of South Carolina, Ste 634, Charleston, SC 29425, USA
    Chest 137:601-8. 2010
    ..The article was designed to estimate the effect of active and passive household cigarette smoke exposure on asthma severity and obstetric and neonatal outcomes in pregnant women with asthma...
  29. doi request reprint Change in mononuclear leukocyte responsiveness in midpregnancy and subsequent preterm birth
    Margaret Harper
    Department of Obstetrics and Gynecology, Wake Forest University Health Sciences, Winston Salem, North Carolina, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
    Obstet Gynecol 121:805-11. 2013
    ..To estimate the associations of change in immune response with preterm delivery, omega-3 supplementation, and fish diet...
  30. pmc Family history of venous thromboembolism and identifying factor V Leiden carriers during pregnancy
    Amanda L Horton
    Department of Obstetrics and Gynecology, University of North Carolina, Chapel Hill, North Carolina, USA
    Obstet Gynecol 115:521-5. 2010
    ..To estimate whether there is a correlation between family history of venous thromboembolism and factor V Leiden mutation carriage in gravid women without a personal history of venous thromboembolism...
  31. doi request reprint Omega-3 fatty acid supplementation to prevent recurrent preterm birth: a randomized controlled trial
    Margaret Harper
    Department of Obstetrics and Gynecology, Wake Forest University Health Sciences, Winston Salem, North Carolina27157, USA
    Obstet Gynecol 115:234-42. 2010
    ..To assess whether the addition of an omega-3 long-chain polyunsaturated fatty acid supplement would reduce preterm birth in women with at least one prior spontaneous preterm birth receiving 17alpha-hydroxyprogesterone caproate...
  32. pmc Perioperative antibiotic prophylaxis for nonlaboring cesarean delivery
    Mara J Dinsmoor
    Department of Obstetrics and Gynecology, Northwestern University, Chicago, Illinois, USA
    Obstet Gynecol 114:752-6. 2009
    ..To estimate the efficacy of antibiotic prophylaxis at the time of nonlaboring cesarean delivery in reducing postpartum infection-related complications...
  33. pmc Bone metabolism in pregnant women exposed to single compared with multiple courses of corticosteroids
    Mary A Carroll
    Department of Obstetrics and Gynecology, University of Texas Houston, Houston, Texas 77030, USA
    Obstet Gynecol 111:1352-8. 2008
    ..To compare markers of maternal bone metabolism between women who received a single compared with multiple courses of antenatal corticosteroids...
  34. pmc Prediction of uterine rupture associated with attempted vaginal birth after cesarean delivery
    William A Grobman
    Department of Obstetrics and Gynecology, Northwestern University, Chicago, IL, USA
    Am J Obstet Gynecol 199:30.e1-5. 2008
    ..The purpose of this study was to develop a model that predicts individual-specific risk of uterine rupture during an attempted vaginal birth after cesarean delivery...
  35. ncbi request reprint The Maternal-Fetal Medicine Units Cesarean Registry: safety and efficacy of a trial of labor in preterm pregnancy after a prior cesarean delivery
    Celeste P Durnwald
    Department of Obstetrics and Gynecology, Ohio State University, Columbus, OH, USA
    Am J Obstet Gynecol 195:1119-26. 2006
    ....
  36. ncbi request reprint Single versus weekly courses of antenatal corticosteroids: evaluation of safety and efficacy
    Ronald J Wapner
    Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, PA, USA
    Am J Obstet Gynecol 195:633-42. 2006
    ..The purpose of this study was to determine if weekly corticosteroids improve neonatal outcome without undue harm...
  37. pmc Impact of smoking during pregnancy on functional coagulation testing
    Donna Dizon-Townson
    Department of Obstetrics and Gynecology, University of Utah, Salt Lake City, USA
    Am J Perinatol 29:225-30. 2012
    ..None of the functional coagulation testing results was altered by maternal smoking during pregnancy. Smoking does not affect the aforementioned functional coagulation testing results during pregnancy...
  38. ncbi request reprint The relationship between maternal glycemia and perinatal outcome
    Mark B Landon
    Ohio State University College of Medicine, Department of Obstetrics and Gynecology, Columbus, OH 43210, USA
    Obstet Gynecol 117:218-24. 2011
    ..To examine the relationship between varying degrees of maternal hyperglycemia and pregnancy outcomes...
  39. pmc Timing of elective repeat cesarean delivery at term and maternal perioperative outcomes
    Alan T N Tita
    Department of Obstetrics and Gynecology, Division of Maternal Fetal Medicine, University of Alabama at Birmingham, Birmingham, AL 35233, USA
    Obstet Gynecol 117:280-6. 2011
    ..We assessed whether delivery before 39 weeks is justifiable on the basis of decreased adverse maternal outcomes...
  40. ncbi request reprint Long-term outcomes after repeat doses of antenatal corticosteroids
    Ronald J Wapner
    Columbia University, New York, USA
    N Engl J Med 357:1190-8. 2007
    ..We report long-term follow-up results of children enrolled in a randomized trial comparing single and repeat courses of antenatal corticosteroids...
  41. doi request reprint Relationship between 1-hour glucose challenge test results and perinatal outcomes
    Dana Figueroa
    Department of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, Alabama, USA
    Obstet Gynecol 121:1241-7. 2013
    ..To estimate the relationship between 1-hour 50 g glucose challenge test values and perinatal outcomes...
  42. ncbi request reprint Decision-to-incision times and maternal and infant outcomes
    Steven L Bloom
    Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, Texas, USA
    Obstet Gynecol 108:6-11. 2006
    ....
  43. pmc Cesarean delivery for the second twin
    James M Alexander
    Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center at Dallas, 5323 Harry Hines Boulevard, Dallas, TX 75235 9032, USA
    Obstet Gynecol 112:748-52. 2008
    ..To examine maternal and infant outcomes after a vaginal delivery of twin A and a cesarean delivery of twin B, and to identify whether the second twin experienced increased short-term morbidity as part of a combined route of delivery...
  44. doi request reprint The impact of tobacco use on preterm premature rupture of the membranes
    Robert L Andres
    Department of Obstetrics and Gynecology, University of Utah School of Medicine, Salt Lake City, UT 84132, USA
    Am J Perinatol 30:185-90. 2013
    ..To determine if tobacco use increases the incidence of preterm premature rupture of the membranes (pPROM) or alters perinatal outcomes after pPROM...
  45. doi request reprint Antenatal corticosteroids in the management of preterm birth: are we back where we started?
    Clarissa Bonanno
    Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, Columbia University College of Physicians and Surgeons, 161 West 168th Street, New York, NY 10032, USA
    Obstet Gynecol Clin North Am 39:47-63. 2012
    ..Though a significant amount of data has accumulated on antenatal corticosteroids over the past 40 years, more information is still needed to refine the use of this therapy and improve outcomes for these at-risk patients...
  46. doi request reprint Integration of microarray technology into prenatal diagnosis: counselling issues generated during the NICHD clinical trial
    Ronald J Wapner
    Department of Obstetrics and Gynecology, Columbia University College of Physicians and Surgeons, New York, NY, USA
    Prenat Diagn 32:396-400. 2012
    ..Of equal import is additional research into patient attitudes and desires, and a better understanding of the full phenotypic spectrum of copy number variants discovered in utero...
  47. ncbi request reprint Sample bias among women with retained DNA samples for future genetic studies
    Kjersti Aagaard-Tillery
    Department of Obstetrics and Gynecology, University of Utah School of Medicine, Salt Lake City, Utah 84132, USA
    Obstet Gynecol 108:1115-20. 2006
    ..To evaluate whether women who agree to future use of their biologic specimens for genetic studies reflect the larger study population from which they are derived...
  48. doi request reprint Evolving applications of microarray analysis in prenatal diagnosis
    Melissa S Savage
    Division of Reproductive Genetics, Department of Obstetrics and Gynecology, Columbia University, New York, New York, USA
    Curr Opin Obstet Gynecol 23:103-8. 2011
    ..This article reviews the recent literature on array technology use in prenatal diagnosis...
  49. ncbi request reprint Midpregnancy genitourinary tract infection with Chlamydia trachomatis: association with subsequent preterm delivery in women with bacterial vaginosis and Trichomonas vaginalis
    William W Andrews
    Department of Obstetrics and Gynecology, University of Alabama, Birmingham, AL, USA
    Am J Obstet Gynecol 194:493-500. 2006
    ..The objective of the study was to estimate whether midpregnancy genitourinary tract infection with Chlamydia trachomatis is associated with an increased risk of subsequent preterm delivery...
  50. ncbi request reprint Invasive prenatal diagnostic techniques
    Ronald J Wapner
    Division of Maternal Fetal Medicine, Columbia University Medical Center, New York, NY 10032, USA
    Semin Perinatol 29:401-4. 2005
    ..When CVS procedures are performed after 10 weeks gestation, no increased risk of fetal anomalies has been demonstrated...
  51. ncbi request reprint Association of obesity with pulmonary and nonpulmonary complications of pregnancy in asthmatic women
    Israel Hendler
    Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, Hutzel Hospital Wayne State University, Detroit, Michigan 48201, USA
    Obstet Gynecol 108:77-82. 2006
    ..To evaluate whether maternal obesity is associated with pulmonary and nonpulmonary pregnancy complications in asthmatic women...
  52. doi request reprint Antenatal corticosteroid treatment: what's happened since Drs Liggins and Howie?
    Clarissa Bonanno
    Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, Columbia University Medical Center, New York, NY, USA
    Am J Obstet Gynecol 200:448-57. 2009
    ..Thus, antenatal corticosteroids may prove valuable in the late preterm period and before elective cesarean delivery at term...
  53. ncbi request reprint First trimester screening: the BUN study
    Ronald J Wapner
    Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, PA 19102, USA
    Semin Perinatol 29:236-9. 2005
    ....
  54. ncbi request reprint Maternal morbidity associated with multiple repeat cesarean deliveries
    Robert M Silver
    Department of Obstetrics and Gynecology, University of Utah School of Medicine, Salt Lake City, Utah 84132, USA
    Obstet Gynecol 107:1226-32. 2006
    ..Our objective was to estimate the magnitude of increased maternal morbidity associated with increasing number of cesarean deliveries...
  55. doi request reprint Thyroid dysfunction in pregnancy: the basic science and clinical evidence surrounding the controversy in management
    Cynthia Gyamfi
    Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, Columbia University Medical Center, New York, New York 10032, USA
    Obstet Gynecol 113:702-7. 2009
    ..We will review the basic science and clinical evidence for the neurodevelopmental effects of thyroid dysfunction in pregnancy...
  56. doi request reprint Genetics of stillbirth
    Ronald J Wapner
    Obstetrics and Gynecology, Columbia University, Medical Center, New York, New York 10032, USA
    Clin Obstet Gynecol 53:628-34. 2010
    ..With new cytogenetic and molecular technologies additional genetic causes of stillbirth are likely to be described and will provide additional information for appropriate genetic counseling...
  57. ncbi request reprint Standardization of methods reduces variability: explanation for historical discrepancies in biochemical screening
    Mark I Evans
    Institute for Genetics and Fetal Medicine, Department of Obstetrics and Gynecology, St Luke s Roosevelt Hospital Center, Columbia University, New York, NY 10019, USA
    Genet Test 7:81-3. 2003
    ..With national standardization of all parameters, the widely divergent results seen in the literature should narrow, and regional medians will no longer be necessary...
  58. ncbi request reprint Invasive prenatal diagnostic procedures 2005
    Mark I Evans
    Institute for Genetics, Mt Sinai School of Medicine, New York, NY 10022, USA
    Semin Perinatol 29:215-8. 2005
    ..There is no increased risks of limb reduction defects following CVS at 10 weeks or greater, but there is an increase in Talipes from "Early Amniocentesis." In the first trimester CVS is the safer procedure...
  59. ncbi request reprint Single versus repeat courses of antenatal steroids to improve neonatal outcomes: risks and benefits
    Clarissa Bonanno
    Maternal Fetal Medicine, Department of Obstetrics and Gynecology, Columbia University College of Physicians and Surgeons, New York, New York 10032, USA
    Obstet Gynecol Surv 62:261-71. 2007
    ..Randomized controlled trials are needed to determine the optimal number of courses of antenatal steroids to reduce the frequency of neonatal respiratory distress syndrome (RDS) without adversely affecting other neonatal outcomes...
  60. ncbi request reprint Selective reduction
    Mark I Evans
    Institute for Genetics and Fetal Medicine, St Luke s Roosevelt Hospital Center, 1000 10th Avenue, Suite 11A 1, New York, NY 10019, USA
    Clin Perinatol 30:103-11. 2003
    ..Triplets and singletons do not do as well. We hope that MFPR will become obsolete as better control of ovulation agents and assisted reproductive technologies make multifetal pregnancies uncommon...
  61. ncbi request reprint Maternal weight correction for alpha-fetoprotein: mathematical truncations revisited
    Mark I Evans
    Department of Obstetrics and Gynecology, MCP Hahnemann University, Philadelphia, PA 19102, USA
    Genet Test 6:221-3. 2002
    ..The same relationship is seen for "lows." Without correction, higher weight lowers AFP, correction to 250 lbs. overcompensates, and 200 lbs. gives the most even distribution, and, therefore, optimizes the distribution of highs...
  62. ncbi request reprint Future directions
    Mark I Evans
    Columbia University College of Physicians and Surgeons, St Luke s Roosevelt Hospital Center, 1000 10th Avenue, New York, NY 10019, USA
    Best Pract Res Clin Obstet Gynaecol 16:757-9. 2002
  63. ncbi request reprint Plasma CRH measurement at 16 to 20 weeks' gestation does not predict preterm delivery in women at high-risk for preterm delivery
    Baha Sibai
    Department of Obstetrics and Gynecology, University of Cincinnati School of Medicine, Cincinnati, OH 45267, USA
    Am J Obstet Gynecol 193:1181-6. 2005
    ..The purpose of this study was to examine the utility of a single second-trimester plasma corticotropin-releasing hormone measurement as a marker for preterm delivery in women at high risk for preterm delivery...