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25.07.2019 | Maternal-Fetal Medicine | Ausgabe 4/2019

Archives of Gynecology and Obstetrics 4/2019

Perinatal outcomes of intrahepatic cholestasis of pregnancy in twin versus singleton pregnancies: is plurality associated with adverse outcomes?

Zeitschrift:
Archives of Gynecology and Obstetrics > Ausgabe 4/2019
Autoren:
Linoy Batsry, Keren Zloto, Anat Kalter, Micha Baum, Shali Mazaki-Tovi, Yoav Yinon
Wichtige Hinweise

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Abstract

Purpose

To determine the rate of obstetric and neonatal complications associated with intrahepatic cholestasis of pregnancy in twin versus singleton gestations.

Methods

A retrospective cohort study including patients diagnosed with intrahepatic cholestasis of pregnancy at a single tertiary center between 2011 and 2016. Women were allocated into two groups: twin pregnancies (n = 56) and singleton pregnancies (n = 186). Obstetric and neonatal outcomes were compared between the two groups.

Results

Intrahepatic cholestasis of pregnancy was diagnosed earlier in gestation in twin compared to singleton pregnancies (33.1 ± 2.8 vs. 35.1 ± 3.0 weeks, respectively; adjusted P < 0.001). Maternal serum levels of fasting total bile acids were significantly higher in twin pregnancies compared to singletons [27 (IQR 16–44) vs. 16 (IQR 10–26) µmol/L, respectively; P = 0.01]. None of the pregnancies in our cohort was complicated by fetal death. Apgar score at 5 min and umbilical artery and vein PH at delivery were comparable between the two groups.

Conclusions

Intrahepatic cholestasis of pregnancy in twin pregnancies appears to be more severe compared to singletons, as reflected by an earlier presentation and higher levels of maternal serum total bile acids. Large prospective studies are required to customize a management strategy specific for women with twin pregnancies and intrahepatic cholestasis of pregnancy.

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