Menstruation is occurring earlier and earlier in life for younger generations in the Western world. We still don't know why – but we do know that earlier periods are linked to later health problems.
https://t.co/YxVXPsb5yt
https://t.co/YxVXPsb5yt
Menstruation is occurring earlier and earlier in life for younger generations in the Western world. We still don't know why – but we do know that earlier periods are linked to later health problems.
https://t.co/YxVXPsb5yt

