menstruation

But in a country where conversation on menstruation still comes with stigma and taboo, menopause awareness is lagging.

Probably most Americans would say: Not people who want to monitor your menstruation.

Jo Atkins Potts, from the charity Bloody Good Period, said she welcomed the policy reversal, but hoped for a world where "menstruation is openly discussed respected and supported".

Endometriosis is a gynaecological condition associated with menstruation where tissue similar to the lining of the womb is found in other areas of the body, including the fallopian tubes, pelvis, bowel, vagina and intestines.

Every menstruation is a testament to it.