Dec. 5 -- (HealthDay News) -- Group B streptococcus (GBS) is a bacterium that is found in as many as 30 percent of pregnant women, the American Congress of Obstetricians and Gynecologists says ...

Here's what you need to know about Group B strep in pregnancy, including testing, treatment, and how it might impact your baby.

Group B strep and having a baby: ... GBS can come and go. The problem is that GBS can come and go. It may be present when a woman is screened late in pregnancy but not at the time of birth.

Pavlakis also noted that, typically, both diseases (GBS and BP) have a clinical nadir—meaning when symptoms are at their worst—at three weeks after onset and most recover after a few months.