Human chorionic gonadotropin secreted by preimplantation embryos cultured in vitro.
Human oocytes were collected by laparoscopy and fertilized and cultured in vitro. Human chorionic gonadotropin was detected in the medium surrounding two embryos cultured for more than 7 days after fertilization.
D001755:Blastocyst / Q000502:physiology*; D006063:Chorionic Gonadotropin / Q000378:metabolism*; D047108:Embryonic Development; D005260:Female; D005307:Fertilization in Vitro; D006801:Humans; D011247:Pregnancy; D014327:Trophoblasts / Q000502:physiology
D006063:Chorionic Gonadotropin