Iheard about the amazing creation of every placenta and how important a role it plays in a healthy pregnancy...helping the body accept the new passenger(s)... playing some tricks along the way to help the systems override not accepting the new biological entities by signaling another part of the uterus for 'rejection but opening up the connections for the support of the child/ren with nurturing supply... The podcast a friend recommended is Radiolab: Everybody’s Got One on Apple Podcasts . Fasten your seatbelt and get ready for the ride of your life anew!