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.
Progesterone is the hormone that works alongside estrogen to regulate the menstrual cycle. After ovulation, progesterone prepares the uterine lining for a potential pregnancy and helps maintain it if fertilization occurs. If pregnancy does not happen, progesterone levels drop, leading to the shedding of the uterine lining, which is the menstrual period.
Hormones
Estrogen and progesterone levels begin to increase prior to mensuration.
Estrogen in the system without the balancing effect of progesterone has been linked to an increased risk of endometrial cancer