Pregnancy Pandemic - What's the Difference?

Pregnancy is such a phenomenal state for many reasons. The body, which has usually our own selves, is now responding to the baby that's half self and half not self. And one of the fascinating things is, when women are pregnant, why does that not happen? Hot as the body realize that even though the baby is foreign, so to speak, why does a body not attack the baby? That is is really not well understood, but we know that that's the case.