The 32-year-old woman, who underwent the transplant in September, 2016, was born without a uterus due to Mayer-Rokitansky-Küster-Hauser (MRKH) syndrome, which affects the reproductive system.
The transplant womb was taken from a mother-of-three who had died from bleeding on the brain. The baby was born on December 15, 2017, through a C-section, and is believed to be the first to be born with a uterus from a deceased donor. Almost a year later, the researchers say that neither the mother nor the child have experienced any complications or abnormalities.
There have been 10 uterus transplants from deceased donors attempted in the USA, the Czech Republic, and Turkey, but this is the first one which resulted in a live birth.
Ten attempts were made - in the United States, the Czech Republic, and Turkey - before the success reported this week.
Before uterus transplants became possible, the only options to have a child were adoption or surrogacy.
The breakthrough operation, performed two years ago in Brazil, shows that such transplants are feasible and could help thousands of women unable to have children due to uterine problems, according to a study published Tuesday in The Lancet medical journal.
Eleven previous births have used a transplanted womb, but those were from a living donor. After the transplant, her period returned after 37 days.
Research leader Dr Dani Ejzenberg, of University of Sao Paulo in Brazil, said: "The use of deceased donors could greatly broaden access to this treatment.for women with uterine infertility".
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Five months after the transplant, Ejzenberg's team wrote, the uterus showed no signs of rejection, ultrasound scans were normal, and the recipient was having regular menstruation.
Her fertilised eggs were implanted after seven months - and 10 days after implantation, the recipient was confirmed to be pregnant.
Hospital staff pictured with the healthy baby.
"It enables use of a much wider potential donor population, applies lower costs and avoids live donors' surgical risks". The woman had ovaries and a vagina, but no uterus.
She said just one of the consequences of a such a procedure is the potential rupturing of the uterus, which could have had catastrophic effects for the mother and the child.
At age seven months and 12 days - when the manuscript reporting the findings was submitted for publication - the baby was breastfeeding and weighed 7.2kg. But they said that relying on deceased donors could expand the options for women who do not have a friend or family member willing to donate or that would be a good match.
Dr. Srdjan Saso of Imperial College London told the broadcaster that the results were "extremely exciting". They cite women with inoperable fibroids, or abnormal uterine growths, those who have experienced embryo implantation failure and those who have received pelvic radiation as categories of women who may be able to benefit from uterus transplantation in the future.
Richard Kennedy, president of the International Federation of Fertility Societies, also welcomed the announcement but sounded a note of caution.