Author:
Jaiman Sunil,Romero Roberto,Pacora Percy,Jung Eunjung,Bhatti Gaurav,Yeo Lami,Kim Yeon Mee,Kim Bomi,Kim Chong Jai,Kim Jung-Sun,Qureshi Faisal,Jacques Suzanne M.,Erez Offer,Gomez-Lopez Nardhy,Hsu Chaur-Dong
Abstract
AbstractObjectiveThe aims of this study were to ascertain the frequency of disorders of villous maturation in fetal death and to also delineate other placental histopathologic lesions in fetal death.MethodsThis was a retrospective observational cohort study of fetal deaths occurring among women between January 2004 and January 2016 at Hutzel Women’s Hospital, Detroit, MI, USA. Cases comprised fetuses with death beyond 20 weeks’ gestation. Fetal deaths with congenital anomalies and multiple gestations were excluded. Controls included pregnant women without medical/obstetrical complications and delivered singleton, term (37–42 weeks) neonate with 5-min Apgar score ≥7 and birthweight between the 10thand 90thpercentiles.ResultsNinety-two percent (132/143) of placentas with fetal death showed placental histologic lesions. Fetal deaths were associated with (1) higher frequency of disorders of villous maturation [44.0% (64/143) vs. 1.0% (4/405), P < 0.0001, prevalence ratio, 44.6; delayed villous maturation, 22% (31/143); accelerated villous maturation, 20% (28/143); and maturation arrest, 4% (5/143)]; (2) higher frequency of maternal vascular malperfusion lesions [75.5% (108/143) vs. 35.7% (337/944), P < 0.0001, prevalence ratio, 2.1] and fetal vascular malperfusion lesions [88.1% (126/143) vs. 19.7% (186/944), P < 0.0001, prevalence ratio, 4.5]; (3) higher frequency of placental histologic patterns suggestive of hypoxia [59.0% (85/143) vs. 9.3% (82/942), P < 0.0001, prevalence ratio, 6.8]; and (4) higher frequency of chronic inflammatory lesions [53.1% (76/143) vs. 29.9% (282/944), P < 0.001, prevalence ratio 1.8].ConclusionThis study demonstrates that placentas of womem with fetal death were 44 times more likely to present disorders of villous maturation compared to placentas of those with normal pregnancy. This suggests that the burden of placental disorders of villous maturation lesions is substantial.
Subject
Obstetrics and Gynecology,Pediatrics, Perinatology and Child Health
Cited by
28 articles.
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