title: Two pregnancies following transfer of intact frozen-thawed embryos.
mesh_terms: D000328:Adult; D004624:Embryo Transfer / Q000379:methods*; D005260:Female; D005615:Freezing; D006801:Humans; D007247:Infertility, Female / Q000628:therapy; D008598:Menstruation; D011247:Pregnancy; D014021:Tissue Preservation / Q000379:methods; D014465:Ultrasonics