Reports

Human chorionic gonadotropin secreted by preimplantation embryos cultured in vitro

+ See all authors and affiliations

Science  24 Feb 1984:
Vol. 223, Issue 4638, pp. 816-818
DOI: 10.1126/science.6546453

Abstract

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.

Related Content