Watery poop on my week 19 of pregnancy

I have been getting ON and OFF diarrhea the past few days and I'm worried that thia could be bad for me and my baby. I have outlined my activities and bowel movement below. Can someone please help?

13th Dec - Started eating prunes 2 pcs per day. Started taking Caltrate Plus supplement once a day. Started drinking Enfamama Milk every night.

15th Dec - Started taking Ferrous Sulfate Iron supplement.

22nd Dec - Pooped 4 times, soft solid but not watery. Stopped eating prunes.. Stopped drinking Enfamama Milk.

23rd Dec - Pooped 2 times, soft solid but not watery

24th Dec - Pooped 2 times, back to normal, solid but not too hard, still easy to release (not constipated).

26th Dec - pooped 5 times, loose, not watery

27th Dec - poop is watery this time