sorry to say this but with ds mine never went away in fact i was vomiting the morning my waters broke. i also had 24/7 sickness.
i lost 15kg while pg last time. i realy hope it goes for you its terrable.

good thing is this time im in my 2nd trimester and almost better. only sick every few days.

try eating, drinking, everything ginger and vegemite the vitimin b6 helps...