The vaginal microbiome during pregnancy is more stable than that of non-pregnant women. Women delivering at full-term gestation had a Lactobacillus dominant vaginal microbiome. Pregnancy is a human-body changer. Ask any woman who’s gone through it. My hair went from light blonde to this mousy blonde after my first trimester with my first baby, Jac. Never mind that baby belly I don’t think I’ll ever lose. That pooch is part of me now. Though I have to say, pregnancy was the one time in my life where my allergies and eczema weren’t a problem. So what about your microbial self? Your microbiome? Do all body sites have a more or less stable microbiome during pregnancy? Or do some body sites, like gut or vaginal microbiomes, change during pregnancy? Since birth seems to be the primary time that microbes are passed from mother to offspring, perhaps the vaginal microbiome would change as birth approaches. Vaginal Community State Types The Ravel lab sampled the vaginal fluid microbiome community throughout the pregnancy of 22 women who delivered babies at term [1]. The vaginal fluid microbiome of pregnant and non-pregnant women was compared. What the researchers found was that the vaginal bacterial communities of both pregnant and