You are carrying 30 wks pregnancy with H/O intense itching,most probably suffering from Intrahepatic Cholestasis
of Pregnancy (ICP).
Do some investigations like serum bilirubin
(T/C/U),bile acid conc.,alkaline phosphatase
, SGPT/SGOT etc.
Then consult with your doctor and take suggestive measures.
In third trimester,it is more common and not so harmful to baby if treated in time.
Take medicine like Tab UDILIV/UDIHELP 300mg BD with anti histaminic lotion/calamine for soothing effect. Dexamethasone
is sometime useful.
Maintain personal hygiene and do periodic check up. Be well.