[–] NiklausTheNaked ago
Male dna was also found in women that hadn't had a child at all meaning it couldn't have come from hosting a male child.
Nope. Read the link I posted above.
"Limited pregnancy history was available on the subjects; pregnancy history on most subjects was unknown." (Chan, Gurnot, et al, Male Microchimerism in the Human Female Brain, Sept 2012)
Literally all of them may have been pregnant. The study doesn't even draw the conclusion you're trying to draw.