what
reduced outflow of bile acids from liver
when does it usually develop
> 28wks
assoc w increased risk of
stillbirth
features
pruritus fatigue dark urine pale, greasy stools jaundice NO rash
if rash present
it’s not obstetric cholestasis
alt diagnosis
Ix
liver function tests
bile acids
Ix results
abnormal LFTs - ALT, AST, GGT
raised bile acid
ALP
normal for it to be high in pregnancy - it is produced by placenta
raised ALP w/o any other abnormal LFTs is not liver pathology
Mx
ursodeoxycholic acid
emoilients
antihistamines for sleeping
Mx - if PTT derranged
water soluble vitamin K
delivery
planned delivery after 37wks may be considered if LFTs and bile acids derranged