Did you know that your DNA might have hung around in your biological mother’s body for up to 27 years after you were born? Alex Dainis dives into the fascinating world of fetal microchimerism, unraveling the science behind this extraordinary phenomenon. Discover the intricate journey of cells during pregnancy and the genetic exchange that occurs between a mother and her growing fetus. Ongoing studies explore the potential effects of fetal microchimerism on maternal health.