Have you spoken to your doctor or midwife about it? I didn't actually take any vitamins because the packages said I weren't alowed to take them because I was pregnant. That's probably why im aneamic

i had the same problem and I didnt know what it was from either I thought mine was from milk as milk bothers my stomach alot but I went off the prenatal vitamins for a week and everything was great I woke up feeling fine everyday and then I went back on them and again started feeling sick so now I dont take them because doctor says maybe I am getting too much vitamins and we discussed my diet and its great as it already is I am getting enough nutrition:)

I had the same problem, the vitamons made me sick from day one even when I was well into my 2nd trimestor. I found that I was actually able to take the flinstone vitamons with no problem. My dr told me to make sure I just take two instead of 1 to make sure I am getting enough folic acid.

Try to eat something before you take them that helped me out a lot.
Amber

I was only to take them my 1st 3 months neva nu you were to take them later on in pregnancy n im 37 weeks

I'M HAVIN THE SAME PROBLEM IM 24 WEEKS AND I HAVE HARD SWALLOWING PILLS PERIOD SO I GOT A PILL CRUSHER SO I COULD TKE MY PRENTAL PILLS AND I WOULD THROW UP EVERYTIME AND I HAVENT TAKING THEM IN A WHILE AND I FEEL GREAT I TRY TO INCREASE MY VITAMIN INTAKE AS FAR AS FRUITS AND VEGGIE AND I FEEL GREAT! BUT IM GONNA SPEAK WITH MY DOCTOR ABOUT IT.
HOPEFULLY SHE TELLS ME THAT I CAN TKE FLINESTONE VITAMINS!!!!