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Successful pregnancy in a woman previously suffering from β-thalassemia following transplantation of ovarian tissue cryopreserved before puberty.

Ovarian tissue removed from a 9-year-old girl suffering from thalassemia was kept deep-frozen for 14 years before being transplanted back to the now adult woman. Subsequently, she conceived following IVF treatment and delivered a healthy baby where the oocyte derived from the transplanted tissue. This is the first woman worldwide to have a baby where the ovarian tissue was frozen pre-pubertally and expand the therapeutic options for rare genetic diseases like thalassemia and girls who suffer from childhood cancer.