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
7
Fiscal Year
2013
Total Cost
$384,578
Indirect Cost
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State
Country
Zip Code
Kawakita, Tetsuya; Reddy, Uma M; Landy, Helain J et al. (2016) Indications for primary cesarean delivery relative to body mass index. Am J Obstet Gynecol 215:515.e1-9
Hinkle, S N; Sjaarda, L A; Albert, P S et al. (2016) Comparison of methods for identifying small-for-gestational-age infants at risk of perinatal mortality among obese mothers: a hospital-based cohort study. BJOG 123:1983-1988
Wallace, Maeve E; Mendola, Pauline; Chen, Zhen et al. (2016) Preterm Birth in the Context of Increasing Income Inequality. Matern Child Health J 20:164-71
Kawakita, Tetsuya; Grantz, Katherine L; Landy, Helain J et al. (2016) Induction of Labor in Women with Oligohydramnios: Misoprostol Compared with Prostaglandin E2. Am J Perinatol :
Kawakita, T; Reddy, U M; Landy, H J et al. (2016) Neonatal complications associated with use of fetal scalp electrode: a retrospective study. BJOG 123:1797-803
Männistö, Tuija; Mendola, Pauline; Kiely, Michele et al. (2016) Maternal psychiatric disorders and risk of preterm birth. Ann Epidemiol 26:14-20
Kim, Sung Soo; Zhu, Yeyi; Grantz, Katherine L et al. (2016) Obstetric and Neonatal Risks Among Obese Women Without Chronic Disease. Obstet Gynecol 128:104-12
Aliaga, Sofia; Zhang, Jun; Long, D Leann et al. (2016) Center Variation in the Delivery of Indicated Late Preterm Births. Am J Perinatol 33:1008-16
Kawakita, Tetsuya; Wilson, Kathy; Grantz, Katherine L et al. (2016) Adverse Maternal and Neonatal Outcomes in Adolescent Pregnancy. J Pediatr Adolesc Gynecol 29:130-6
Kawakita, Tetsuya; Reddy, Uma M; Iqbal, Sara N et al. (2016) Duration of Oxytocin and Rupture of the Membranes Before Diagnosing a Failed Induction of Labor. Obstet Gynecol 128:373-80

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