One or more fertilized eggs (embryos) may be transferred to the woman's uterus, where they may implant in the uterine lining and develop. Excess embryos may be cryopreserved(frozen) for future use.
During this period, you'll also need to take another round of medication to support the uterine lining, to make sure that it can support a pregnancy.
To become attached to and embedded in the uterine lining of a fertilized egg.
"If the egg is not fertilized, the level of progesterone drops, the uterine lining Breaks down, and menstruation ensues. "
This is because estrogen and progesterone levels peak during the creation of the uterine lining.
