hi ive had gestational cholostasis with my 3 previous pregnancys and there now testing me regularly with this pregnancy im 16 weeks, cholostasis is a failing in the liver causing bile acids (poisons) to build up in ur blood stream causing severe itching, its the biggest cause of stillborn babys there is and theres no way of stopping it happening, the cut of point is37 weeks then they like to deliver baby as to assure that its born safely. my first son was born after induction of labour at 37 weeks my daughter was born thru prem labour at 34 weeks and my second son was born thru induction of labour at 37 weeks, hope this helps u, it is gettin to be more common in pregnancy now,hope all goes well for u