Before starting chemotherapy, doctors removed seven immature ovules from the patient's ovaries, made them mature in the laboratory and froze them.
A 34-year-old French woman who became infertile for cancer treatment gave birth after one of her immature eggs was matured, frozen and, five years later, thawed and fertilized. The unprecedented case is described in a study published Wednesday in the Annals of Oncology.
Before starting chemotherapy for breast cancer, doctors removed seven immature ovules from the ovaries of the patient, who was then 29 years old, and used a technique called in vitro maturation (IVM) to allow them to develop further in the laboratory .
Michael Grynberg, head of the Department of Reproductive Medicine and Fertility Preservation at the Antoine Béclère University Hospital, near Paris, offered women that option, as well as freezing the ovarian tissue, which was rejected as being too invasive.
A pioneering and hopeful case
Five years later, the patient had ... Continue Reading »