In a medical first, a Canadian mother has frozen some of her eggs so her seven-year-old daughter can give birth should her genetic disorder make her infertile as an adult, a physician said Tuesday.
If Flavie Boivin should become infertile, her mother's eggs could make it possible for her to give birth nonetheless, to a child who would be not only her offspring, but also her half-sister or half-brother.
"It's the first time in the world" for a mother-daughter egg donation, said Seang Lin Tan, professor and chairman of obstetrics and gynecology at McGill University, Montreal, and medical director of its reproductive center.
Tan, who treated Boivin, said McGill University Health Center's ethics committee gave its authorization for the extraction of her eggs, which will be kept frozen for years to come.
He said the daughter was under no obligation to accept the eggs.
"It's up to the daughter and her future partner to decide whether to use the eggs or not," he said. "She doesn't have to, and they may decide to donate the eggs to another couple and then have somebody else give eggs to them."
Tan said the egg-freezing procedure has been used for cancer patients at risk of menopause when they undergo chemotherapy.
"So we freeze the eggs the eggs before the cancer treatment," he said, adding that 80 patients have been treated so far.
"We know that this technique works," he told AFP. "We find that 85 percent of the eggs survive freezing and then there is 40 percent chance of a live birth."
Melanie Boivin, a 35-year-old lawyer from Montreal, is the mother of three children, including Flavie, who was born with a genetic disorder called Turner syndrome, which can lead to premature menopause and infertility, Tan said.
Turner syndrome often leaves women incapable of producing eggs but with healthy wombs and can give birth through donated eggsPage: 1 2 Related medicine news :1
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