First sign/symptoms?

Casey • I`m 30 and my husband is 29. I have a 12 yr old son and he has a 9 yr old daughter, we have a 5 yr old daughter together. We have been ttc since Oct 2013
What were your first signs? With baby #1 sharp abdominal pain and heart burn. Baby #2 couldn't keep any food down (no nausea) both pregnancies my periods were regular until I was about 10 wks