Women with more severe cases of prolonged and continuous periods may want to consider pharmaceutical options. In cases of hormonal imbalance, most doctors prescribe oral contraception or any hormonal therapy to regulate the menstrual cycle and balance your hormone levels.
The bone that you sit on is also known as the sits bones. The  scientific name is the ischium which is a large swelling  posteriorly on the superior ramus of the ischium.
I would like to find a witness......... Does anyone else suffer from a disease, that I call, Noassatol.. I cannot sit in a hard chair unless I sit on my thighs, if not, my tail bone and (don't know what they are called, but my bottom hip bones?) grind into the chair and it compresses my spine.