A previously infertile woman gave birth to a healthy baby after doctors removed her ovaries and stimulated them in the lab to produce eggs. The procedure, called in-vitro activation, targets a condition in which ovarian egg follicles fail to mature and offers hope to millions of women with ovulation problems. In the study, doctors removed the ovaries, cut them into small pieces, stimulated them with drugs then grafted some pieces back into the woman's Fallopian tubes.

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