STOCKHOLM (AP) — The frontier of transplants to improve quality of life has been pushed further by doctors in Sweden, where nine women have received wombs donated from relatives.

The doctor in charge of the pioneering project says the women were born without a uterus or had it removed because of cervical cancer. Most are in their 30s and are part of the first major experiment to test whether it's possible for transplanted patients to give birth to their own children. These first transplants are intended to be temporary.

Dr. Mats Brannstrom says the recipients are doing well but he warns the transplants might not result in children.

Previous attempts in Turkey and Saudi Arabia failed to produce babies.

Life-saving transplants of hearts, livers and kidneys have been done for decades. These days, doctors are increasingly transplanting hands, faces and other body parts to improve patients' quality of life.

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