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Menstruation occurs

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Q: What does a drop in estrogen and progesterone trigger?
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Menstruation is triggered by a drop in the levels of?

estrogen and progesterone


What two hormones affect the menstrual cycle?

Estrogen and progesterone, I think.


Can norethisterone make your period come?

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.


What part of the ovary that produces estrogen and progesterone is know as the?

estrogen


Explain what the hormones testosterone estrogen and progesterone do?

Testosterones, estrogen, progesterone, all tell, or control your sex organs, and puberty.


What happens to estrogen and progesterone level just prior to menstruation?

Estrogen and progesterone levels begin to increase prior to mensuration.


What happen to estrogen and progesterone levels just prior to menstruations?

Estrogen and progesterone levels begin to increase prior to mensuration.


What happen to estrogen and progesterone levels just prior to menstruation?

Estrogen and progesterone levels begin to increase prior to mensuration.


Estrogen and progesterone are examples of?

Hormones


Why does estrogen need progesterone?

Estrogen in the system without the balancing effect of progesterone has been linked to an increased risk of endometrial cancer


What happens to estrogen and progesterone levels just prior to menstruation?

Estrogen and progesterone levels begin to increase prior to mensuration.


Which hormones regulates the uterine lining?

Estrogen and progesterone. Estrogen secreted by follicles before ovulation and then both estrogen and progesterone after ovulation.