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Dublin: 18°C Thursday 18 August 2022

Baby born after mother's ovaries are 'reawakened'

The new technique can be used on infertile women and those who have gone through early menopause.


A NEW TECHNIQUE IN which a woman’s ovaries are removed, reactivated in the laboratory and then re-implanted has proved successful following the birth of baby.

The cutting edge technique was done on a woman who had experienced early menopause. The woman’s ovaries were removed in surgery and were treated with a stimulant in the lab and then re-inserted back into her womb.

The technique, reported in Proceedings of the National Academy of Sciences, was developed by doctors in the US and Japan.


The study on the new treatment was done on 27 women, all of whom had become infertile before the age of 30. The report says that the women had fertility issues known as primary ovarian insufficiency (POI) and polycystic ovarian syndrome – both ovarian diseases that cause infertility.

The research teams at Stanford University in the US and St Marianna University School of Medicine in Japan attempted to activate the last few remaining follicles in the women’s ovaries.

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The reserachers state that they “successfully promoted follicle growth, retrieved mature oocytes, and performed in vitro fertilization”.

They stated:

Following embryo transfer, a healthy baby was delivered.

They added that the ovarian fragmentation–in vitro activation approach is not only valuable for treating infertility of POI patients but could also be useful for middle-aged infertile women, cancer patients undergoing sterilising treatments and other conditions of diminished ovarian reserve.

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