Sections of DNA that control when women go by a menopause have been identified by scientists.
Their report, in a biography Nature Genetics, identified genes concerned in how a physique repairs itself.
Ultimately a commentary could minister to a flood or menopause test, or lead to new drugs.
The Royal College of Obstetricians and Gynaecologists pronounced a formula were critical for those during risk of an early menopause.
Most women go by a menopause between a ages of 40 and 60. However, what controls that timescale is not totally clear.
Comparing a DNA of scarcely 70,000 women authorised a researchers to brand a differences between those starting a menopause early and late.
The group during Exeter and Cambridge universities showed that during slightest dual correct mechanisms were involved.
The initial is used when a eggs are being shaped and a woman’s DNA is being broken, rearranged and repaired.
The second corrects damage, caused by factors such as smoking or alcohol, via a woman’s life.
Both would change a series of viable eggs a lady has.
Women turn desolate about 10 years before a menopause starts.
So could this believe lead to a exam that predicts a age of menopause?
Dr Anna Murray, one of a researchers from a University of Exeter, told a BBC News website: “We would adore to be means to do that, though a answer is no.
“[But] presumably by adding other risk factors such as smoking, hormone levels we competence be means to get towards something some-more useful.”
The age of menopause is suspicion to be tranquil by a 50-50 separate between genetics and lifestyle choices.
However, even after finding 56 genetic variants related to a age of menopause, that comprises usually 6% of a sum variation.
Dr Murray pronounced a commentary could assistance rise new drugs: “We unequivocally don’t know a routine of egg loss, a timing of it, so improved bargain of a simple biology of losing eggs will assistance us with that.”
The researchers also found genes that tranquil menopause timing were concerned in both a age of adolesence and a growth of breast cancer.
Dr Edward Morris, a orator for a Royal College of Obstetricians and Gynaecologists, said: “We have famous for some time about a fact that an early menopause protects opposite breast cancer while a late menopause increases a risk.
“It is calming that such a vast investigate holding a genetic proceed has clearly demonstrated this link.
“In further this investigate has shown that there might good be destiny possibilities not usually to have a clearer bargain of a length of a woman’s reproductive life, though presumably to find treatments in a future.
“This form of believe would be of sold significance in women with a high risk of early menopause.”