Does she have to insert a piece of cotton to check whether her menses has ended, or is it sufficient to wait for twenty-four hours and then do ghusl?

Her period became irregular as a result of taking the pill; what should she do?

Can Women Cut Nails during Menses in Islam?

Brownish discharge one day after menses ended

Is Miscalculating Menstrual Purity a Sin in Islam?

If she had an IUD inserted, then her period got longer, then she suffered prolonged non-menstrual bleeding, should she follow her cycle before the IUD or after it?

She had some secretions in which there was a thread of blood

Her period became irregular because of taking pills to prevent menstruation; what should she do about prayer and fasting?

Can ghusl from janaabah also count as ghusl following menses and vice versa?

She thinks it most likely that her period is coming; is it permissible for her to delay the prayer and not do it as soon as the time for it begins?