Hello, welcome to HCM forum.
In the last trimester the pregnant uterus
causes some amount of cholestatic itching due to pressure effects. It is perfectly normal and very very common. Also, it would pass off in one to two weeks time. It would not be advisable to try any form of medication for this. However you can try using some soothing moisturizers with cocoa butter or apply fresh aloe vera
gel which will help reduce the component of itching due to drying.