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A thick placenta: a predictor of adverse pregnancy outcomes
Ichiro Miwa1, Masakatsu Sase1, Mayumi Torii1
1Department of Obstetrics and Gynecology, Yamaguchi Grand Medical Center, 77 Oosaki, Houhu, 747-8511 Japan.
Purpose:
The aim of this study is to evaluate the efficacy of an ultrasonographic measurement of placental thickness and the correlation of a thick placenta with adverse perinatal outcome.
Methods:
Placental thickness was measured in single gravidas, 16 to 40 weeks of gestation, between 2005 and 2009. Placentas were considered to be thick if their measured thickness were above the 95th percentile for gestational age.
Results:
The incidence of thick placentas was 4.3% (138/3,183). Perinatal morbidity and neonatal conditions were worse in cases with thick placenta rather than without thick placenta.
Conclusions:
Ultrasonographic measurement of placental thickness is a simple method to estimate placental size. Thick placenta may be a useful predictor of adverse pregnancy outcomes.
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