The brain imaging study carried out at Oxford University shows that period pain is associated with differences in the way the brain processes pain, and that these differences persist throughout a woman\u2019s menstrual cycle.
The test avoids the need to manipulate and biopsy the egg itself and may also shed light on the crucial role played by certain genes in the development of chromosome abnormalities that are a major cause of miscarriages and conditions such as Down\u2019s syndrome.
The research identifies two genetic variants that increase the risk of developing Endometriosis, a common gynaecological disease and provides clues to the origin of this often very painful condition, which has a significant impact on the quality of life of sufferers.
![\"Period](\"https://www.wrh.ox.ac.uk/news/painful-periods-increase-pain-sensitivity-throughout-the-month/responsive_image?ratio=r16x9&scale=w760\")
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