Success breeds more problems.
D026683:Advisory Committees; D004622:Embryo, Mammalian / Q000502:physiology*; D026724:Ethical Review; D005260:Female; D005307:Fertilization in Vitro; D005615:Freezing; D006801:Humans; D018587:Oocyte Donation; D011247:Pregnancy; D011309:Preservation, Biological