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The Menstrual Cycle: Phases and Hormonal Changes

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The Menstrual Cycle: Phases and Hormonal Changes

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Questions and Answers

What stimulates ovarian follicle growth during the follicular phase?

LH and FSH (correct)

The corpus luteum

Estrogen and progesterone

The pituitary gland

What happens to the corpus luteum if fertilization does not occur within 14 days after ovulation?

It releases another egg into the fallopian tube

It regresses, leading to a decline in estrogen and progesterone secretion (correct)

It continues to secrete estrogen and progesterone

It starts to secrete LH and FSH

What type of endometrial changes occur during the luteal phase?

From a thin to a thick type

From a secretory to a proliferative type

From a thick to a thin type

From a proliferative to a secretory type (correct)

What triggers the release of LH and FSH during the follicular phase?

Estrogen levels Signup and view all the answers

What event marks the beginning of a new cycle?

The onset of menses Signup and view all the answers

What is the primary effect of increased estrogen levels during the follicular phase?

Stimulation of LH and FSH release Signup and view all the answers

What is the primary function of the corpus luteum during the luteal phase?

Secretion of estrogen and progesterone Signup and view all the answers

What is the result of the decline in estrogen and progesterone secretion after 14 days without fertilization?

Onset of menses and the beginning of a new cycle Signup and view all the answers

What is the primary role of FSH during the follicular phase?

Stimulation of ovarian follicle growth Signup and view all the answers

What is the duration of the time frame during which fertilization must occur to prevent the regression of the corpus luteum?

14 days after ovulation Signup and view all the answers