I have had 3 different OB practices for my 3 pregnancies (due to moves!) and each OB has tested for GBS at 8 weeks and 36 weeks. I tested positive at 8 wks with #1 and had antibiotics. It cleared, but I tested positive again at 36 weeks so had antibiotics while in labor. With #2, I never tested positive. With #3, I just tested positive at 8 weeks and have to go on antibiotics for a week.

I've asked a few friends and they weren't sure if their OB tested in the first tri. Or maybe they did, but they didn't test positive so didn't know about it!

Does your OB test for GBS in the first tri?