Menstruation occurs
estrogen and progesterone
Estrogen and progesterone, I think.
No, not quite.Norethisterone is a progesterone pill, most commonly it's used to delay menstruation by preventing the progesterone drop that would normally trigger menstruation. Once you stop taking the pills the drop in progesterone triggers menstruation. If used when not due to menstruate the progesterone drop may trigger a withdrawal bleed (not menstruation) similar to what a person would experience on the combination pill when going from active to placebo pills.
estrogen
Testosterones, estrogen, progesterone, all tell, or control your sex organs, and puberty.
Estrogen and progesterone levels begin to increase prior to mensuration.
Estrogen and progesterone levels begin to increase prior to mensuration.
Estrogen and progesterone levels begin to increase prior to mensuration.
Hormones
Estrogen in the system without the balancing effect of progesterone has been linked to an increased risk of endometrial cancer
Estrogen and progesterone levels begin to increase prior to mensuration.
Estrogen and progesterone. Estrogen secreted by follicles before ovulation and then both estrogen and progesterone after ovulation.