The baby was delivered in a private hospital in Portland, London on Tuesday, 13th December 2016.
"We've been waiting so long for this result", Al Matrooshi said.
Moaza Al Matroos was only nine-years-old when one of her ovaries was frozen.
Mrs Al Matrooshi, a Dubai national, was born with beta thalassaemia, an inherited blood disorder that is fatal if untreated. She had to undergo chemotherapy before receiving a bone marrow transplant from her brother at Great Ormond Street Hospital in London, reports BBC.
Before the procedure, when she was just 9, doctors removed her right ovary and froze the tissue.
It was then sent to Denmark, where surgeons transplanted four slivers of the ovarian tissue onto her left ovary and one sliver onto the side of her uterus. This led the doctors to implant two embryos into her womb earlier this year.
This baby, though, is the first person ever made with an egg from an ovary that had been removed from the mother when she was pre-pubescent.
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"I didn't stop hoping and now I have this baby".
BBC said Doctors hope this would give hope to other women who have cancer or other disorders that would make pregnancy nearly impossible. And if that wasn't awesome enough, doctors have determined that she now has normal ovarian function, meaning menopause was completely reversed. Picton expects many more women will begin giving birth using ovary tissue that was frozen at a young age - even at the age of a toddler.
She previously told the Belfast Telegraph: "This allows young girls who develop cancer or have other conditions that require chemotherapy, like beta thalassaemia, to have children, where the vast majority, over 90%, would not be able to have their own children".
Said Ms Picton: "Moaza is a pioneer and was one of the first patients we helped back in 2001, before any baby had been born from ovary tissue preservation".
Researchers in Leeds have been at the forefront of ovarian tissue freezing. In 1999, scientists from Leeds were instrumental in performing the world's first transplant of frozen ovarian tissue. For this reason, chemotherapy can often cause infertility in women. But after marrying at age 20, the couple struggled to conceive naturally as al Matrooshi began displaying peri-menopausal symptoms, such as irregular periods and hot flashes.
"The pregnancy was totally uncomplicated and a healthy boy Rashid was delivered by C-section", she added.
So doctors fetched her ovarysicle from cryopreservation, where it had been chillin' in some liquid nitrogen at minus 196C for 15 years. She began ovulating and her fertility was restored.