A consortium of 12 clincial institutions (19 hospitals) located in all nine districts of the American College of Obstetricians and Gynecologists in the U.S. provided electronic obstetric, labor and newborn data to create a perinatal database with more than 200,000 deliveries. Selected information were downloaded from the hospital databases and transferred in a de-identified format to the Data Coordinating Center for data auditing, cleaning, recoding and compilation. The de-identified database will be used for secondary data analyses to answer the following questions: What is the currect cesarean delivery practice in the U.S.? How can we reduce the cesarean delivery rate? What is the labor pattern in contemporary population? How to define normal and abnormal labor? When is the best time to perform a cesarean delivery in protracted labor? Answers to these questions may have important clinical implications.

Project Start
Project End
Budget Start
Budget End
Support Year
4
Fiscal Year
2010
Total Cost
$467,798
Indirect Cost
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State
Country
Zip Code
Grantz, Katherine L; Sundaram, Rajeshwari; Ma, Ling et al. (2018) Reassessing the Duration of the Second Stage of Labor in Relation to Maternal and Neonatal Morbidity. Obstet Gynecol 131:345-353
Kim, S S; Mendola, P; Zhu, Y et al. (2017) Spontaneous and indicated preterm delivery risk is increased among overweight and obese women without prepregnancy chronic disease. BJOG 124:1708-1716
Downes, Katheryne L; Grantz, Katherine L; Shenassa, Edmond D (2017) Maternal, Labor, Delivery, and Perinatal Outcomes Associated with Placental Abruption: A Systematic Review. Am J Perinatol 34:935-957
Downes, Katheryne L; Shenassa, Edmond D; Grantz, Katherine L (2017) Neonatal Outcomes Associated With Placental Abruption. Am J Epidemiol 186:1319-1328
Parikh, Laura I; Grantz, Katherine L; Iqbal, Sara N et al. (2017) Neonatal outcomes in fetuses with cardiac anomalies and the impact of delivery route. Am J Obstet Gynecol 217:469.e1-469.e12
Kawakita, Tetsuya; Grantz, Katherine L; Landy, Helain J et al. (2017) Induction of Labor in Women with Oligohydramnios: Misoprostol Compared with Prostaglandin E2. Am J Perinatol 34:204-210
Wallace, Maeve E; Mendola, Pauline; Kim, Sung Soo et al. (2017) Racial/ethnic differences in preterm perinatal outcomes. Am J Obstet Gynecol 216:306.e1-306.e12
Kawakita, T; Bowers, K; Hazrati, S et al. (2017) Increased Neonatal Respiratory Morbidity Associated with Gestational and Pregestational Diabetes: A Retrospective Study. Am J Perinatol 34:1160-1168
Mendola, Pauline; Wallace, Maeve; Hwang, Beom Seuk et al. (2016) Preterm birth and air pollution: Critical windows of exposure for women with asthma. J Allergy Clin Immunol 138:432-440.e5
Mendola, Pauline; Wallace, Maeve; Liu, Danping et al. (2016) Air pollution exposure and preeclampsia among US women with and without asthma. Environ Res 148:248-255

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