With Kat, I told my hubby I was having terrible period cramps. That that period was going to be hellish....I was cramping so bad and it felt exactly like period cramps. I never got my period. I tested at 3 days late (was negative as far as I could tell. I was in a supermarket bathroom and didn't wait the full 5-10mins so threw it out thinking it was negative) then again at 10 days late. Dh and I waited together and timed this one. It was definitely +ve! With Jess, I had similar cramps thru the first 12 wks. I remember one time running to the loo thinking I was miscarrying because I was cramping so bad (and had so much CM), but it was all fine. Some people cramp a lot during the first few months, then periodically till birth....