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Pregnancy outcomes in women with primary biliary cholangitis and primary sclerosing cholangitis: a retrospective
M Cauldwell1, F L Mackie2, P J Steer1
1Academic Department of Obstetrics and Gynaecology, Chelsea and Westminster Hospital, London, UK.
Objective:
To determine maternal, obstetric and neonatal outcomes in a cohort of women with primary biliary cholangitis (PBC) and primary sclerosing cholangitis (PSC).
Design:
Retrospective cohort study.
Setting:
Ten specialist centres managing pregnant women with liver disease.
Population:
Women with a diagnosis of PBC and PSC and a pregnancy of ≥20 completed weeks of gestation.
Methods:
Retrospective case notes review.
Main Outcome Measures:
Adverse outcomes were defined as: maternal - development of ascites, variceal bleeding, encephalopathy and jaundice; obstetric events - gestational hypertension, pre-eclampsia and postpartum haemorrhage; and neonatal - stillbirth, preterm delivery and admission to neonatal unit. The relationship of alanine transferase (ALT) and bile acid levels with gestation at delivery was studied.
Results:
The first recorded pregnancies of 34 women with PSC and 27 women with PBC were analysed. There were 60 live births and one intrapartum stillbirth that did not occur in the context of maternal cholestasis. The overall median gestation of delivery was 38 weeks but the rate of preterm birth was 28% (17/61 deliveries), 76% (13/17) of which were spontaneous. Gestation at birth negatively correlated with maternal serum ALT concentration at booking (P = 0.017) and serum bile acid concentration during pregnancy (P = 0.016). There were no other significant correlations and maternal and neonatal outcomes were good.
Conclusions:
Pregnancy in PBC and PSC is well tolerated, but women should be counselled regarding the increased risk of preterm birth. Measurement of maternal ALT and bile acids may help identify women at risk of preterm delivery.
Tweetable Abstract:
Pregnancy in women with PBC and PSC is well tolerated; however, rates of preterm birth are high and are related to maternal bile acid levels.
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