Nausea?

[LimeSlice]

With my first pregnancy, it was all but immediate, I was hideously sick by 3 weeks.
My subsequent pregnancies I had none.

[Kazbah]

With DS1 at 8dpo. I threw up then did a pregnancy test (positive). It didn't go away until it was overtaken by reflux in the 2nd trimester, which didn't go away until birh)