The pre-born babies provide living cells that cross the placenta and live for decades in the mom’s blood (1). These fetal cells remain in the mother blood stream and mobilize themselves where ever injury is occurring in the body. The fetal cells are not attacked by the mother, but rather work as stem cells that transform themselves into new tissue that gives new life to the mother.
That was the case for a mother of five who had hepatitis C (2). During a biopsy the cells were analyzed and it was found that cells from her son had come to the lesion and converted themselves into hepatic cells. The woman became healthy again with the help of her offspring!
Most amazing is how these cells can repair a maternal heart. Fetal cells convert themselves into contractile cells and vessel cells that help recover the tissue in case of a heart attack (3). These cells also have repaired Parkinson Disease by converting themselves into neuronal tissue (4).
So next time you see your children and think how tough it is; console yourselves by knowing that they are giving back in the long run.
Amazingly a woman who has an abortion receives many more fetal cells than the mother who carries the baby to term (5). It is as if the child experiencing the trauma of abortion — losing his or her life — gives her or his mother and extra large dose of his/her life that could improve her health*.
* Microchimerism has been associated with autoimmune disease (6). Microchimerism could cause disease, could be beneficial, or could be neutral(6).
1. Male fetal progenitor cells persist in maternal blood for as long as 27 years postpartum 
2. Significant Fetal Cell Microchimerism** in a Nontransfused Woman With Hepatitis C 
3. Fetal Cells Traffic to Injured Maternal Myocardium and Undergo Cardiac Differentiation 
4. Pregnancy-Associated Progenitor Cells Differentiate and Mature into Neurons in the Maternal Brain 
5. Significant fetal-maternal hemorrhage after termination of pregnancy: implications for development of fetal cell microchimerism. 
6. Microchimerism in Graves’ Disease 
** Microchimerism is the presence of small numbers of cells that originated in a genetically different individual.