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Release Date: 06/24/2015

Research entitled “Perinatal Outcomes With Normal Compared With Elevated Umbilical Artery Systolic-to-Diastolic Ratios in Fetal Growth Restrictions,” has been published in the April issue of Obstetrics & Gynecology. The research was led by, Drs. Lindsay Maggio and Catherine Albright, fellows from the Department of Maternal-Fetal Medicine (MFM) at Women & Infants Hospital of Rhode Island and The Warren Alpert Medical School of Brown University; Drs. Joshua D. Dahlke and Hector Mendez-Figueroa, former MFM fellows; and Dr. Katharine Wenstrom, director of the Division of Maternal-Fetal Medicine (MFM) and co-director of the Integrated Program for High-Risk Pregnancy at Women & Infants Hospital, and a professor of obstetrics and gynecology at the Alpert Medical School, along with Suneet P. Chauhan from the University of Texas Medical School at Houston.

The group examined the delivery of growth restricted fetuses with elevated umbilical artery Dopplers at 37 weeks and those with normal Dopplers at 39 weeks. Umbilical Artery Doppler is an ultrasound test that measures blood flow through the umbilical artery, and thus indirectly assesses resistance to blood flow in the placenta. Delivering a growth restricted fetus with elevated Dopplers at 37 weeks resulted in successful outcomes that were similar to those of growth restricted fetus with normal Dopplers delivered at 39 weeks, whether by vaginal birth or by cesarean.

Dr. Maggio explains that these findings are incredibly important when it comes to the suggested management of fetuses with elevated Dopplers. “There are no studies that provide data to guide how Doppler tests should be used to direct delivery management of fetuses with growth restriction. Our study shows that delivering fetuses with elevated Dopplers at 37 weeks results in good neonatal outcomes. Prior to this study, management for this particular scenario was based mostly on expert opinion,” said Dr. Maggio.

The researchers concluded that “planning delivery of pregnancies with fetal growth restriction and elevated systolic-to-diastolic ratios and without other complications at 37 weeks of gestation results in good outcomes.”

About Obstetrics & Gynecology
Obstetrics & Gynecology is the Official Publication of the American College of Obstetricians and Gynecologists (ACOG). Popularly known as "The Green Journal," Obstetrics & Gynecology publishes original articles and research studies on: scientific advances, new medical and surgical techniques, obstetric management, and clinical evaluation of drugs and instruments. Obstetrics & Gynecology is the most complete and reliable source of information on current developments in women's health care.

About Women & Infants Hospital

Women & Infants Hospital of Rhode Island, a Care New England hospital, is one of the nation’s leading specialty hospitals for women and newborns. A major teaching affiliate of The Warren Alpert Medical School of Brown University for obstetrics, gynecology and newborn pediatrics, as well as a number of specialized programs in women’s medicine, Women & Infants is the 12th largest stand-alone obstetrical service in the country and the largest in New England with approximately 8,500 deliveries per year. A Designated Baby-Friendly® USA hospital, U.S.News & World Report 2014-15 Best Children’s Hospital in Neonatology and a 2014 Leapfrog Top Hospital, in 2009 Women & Infants opened what was at the time the country’s largest, single-family room neonatal intensive care unit.

Women & Infants and Brown offer fellowship programs in gynecologic oncology, maternal-fetal medicine, urogynecology and reconstructive pelvic surgery, neonatal-perinatal medicine, pediatric and perinatal pathology, gynecologic pathology and cytopathology, and reproductive endocrinology and infertility. It is home to the nation’s first mother-baby perinatal psychiatric partial hospital, as well as the nation’s only fellowship program in obstetric medicine.

Women & Infants has been designated as a Breast Imaging Center of Excellence by the American College of Radiography; a Center of Excellence in Minimally Invasive Gynecology; a Center of Biomedical Research Excellence by the National Institutes of Health (NIH); and a Neonatal Resource Services Center of Excellence. It is one of the largest and most prestigious research facilities in high risk and normal obstetrics, gynecology and newborn pediatrics in the nation, and is a member of the National Cancer Institute’s Gynecologic Oncology Group and the Pelvic Floor Disorders Network.
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