Pregnancy does not end at birth in the clean biological way we imagine: fetal cells can cross into a mother’s body and remain for decades, and one study found male DNA, likely from pregnancy, scattered through multiple brain regions in women as old as 94, t – ScienceBlog.com

Pregnancy does not end at birth in the clean biological way we imagine: fetal cells can cross into a mother’s body and remain for decades, and one study found male DNA, likely from pregnancy, scattered through multiple brain regions in women as old as 94, t – ScienceBlog.com