What happen to embryo during geststion?
How does the mother's choices she makes during pregnancy affect the growth and development of an embryo?
Hcg is given to help your ovaries produce progesterone to stabilise your uterus for implantation. It doesn't improve embryo implantation, just helps it. Unfortunately implantation failure can happen for a number if reasons - the embryo is not strong enough to implant, it doesn't hatch, the lining is not receptive, egg or sperm quality, clotting, immune issues are all factors for the embryo not implanting.
If it stays in the womans womb long enough and the woman has sex again and if the embryo comes into contact with sperm it might actually might come back to life and the woman might have a baby That answer is absolutely not true! There are rare cases of the embryo being retained for years, but again, it is VERY rare. Usually the embryo is spontaneously aborted or miscarried. If that doesn't happen, a…