I heard somewhere that HG was an over reaction(hyper - obviously) to the pregnancy hormones, but that your brain and body get stuck in a loop. So where the MS would normally subside, you're kind of wired to keep being sick. Don't how much truth there is to that theory, I'm guessing they really don't know, but I'll be looking into lots of areas before TTC.

fromscratch I'm working on strategies too