Hang in there -it’s the last go round! You made it to the third trimester and have about 12 weeks left. Here are the labs that we’ll get in the 3rd trimester (3T)- 1.) Labs: CBC Hepatitis B HIV Syphilis Group B strep carrier status One I didn’t mention in the video is your group b streptococcus carrier status! This bacteria is found in the normal vaginal and rectal flora of about 10-30% of women at any time, is not a sexually transmitted disease and you did nothing to cause it if you screen posi