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Questions and Answers
What causes cyclic uterine changes?
What causes cyclic uterine changes?
- Hormonal changes during the ovarian cycle (correct)
- Consumption of certain foods
- Exposure to environmental toxins
- Lack of exercise
What hormone stimulates the growth of myometrium and endometrium?
What hormone stimulates the growth of myometrium and endometrium?
- Estrogen (correct)
- Progesterone
- Testosterone
- Follicle-stimulating hormone
What is the function of progesterone in the menstrual cycle?
What is the function of progesterone in the menstrual cycle?
- Prepares endometrium for implantation (correct)
- Stimulates growth of myometrium and endometrium
- Causes uterine myometrium contraction
- Triggers the release of prostaglandin
What happens when there is a fall in hormone levels during the menstrual cycle?
What happens when there is a fall in hormone levels during the menstrual cycle?
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What is the role of prostaglandin in the menstrual cycle?
What is the role of prostaglandin in the menstrual cycle?
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What can cause dysmenorrhea?
What can cause dysmenorrhea?
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What can cause excessive menstrual flow?
What can cause excessive menstrual flow?
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What can cause menopause?
What can cause menopause?
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What happens if fertilization and implantation occur in the menstrual cycle?
What happens if fertilization and implantation occur in the menstrual cycle?
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What causes abortion if it occurs at 4 months?
What causes abortion if it occurs at 4 months?
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What is the role of estrogen in the menstrual cycle?
What is the role of estrogen in the menstrual cycle?
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What is the role of progesterone in the menstrual cycle?
What is the role of progesterone in the menstrual cycle?
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Study Notes
- Cyclic uterine changes are caused by hormonal changes during the ovarian cycle.
- Estrogen stimulates growth of myometrium and endometrium.
- Progesterone prepares endometrium for implantation.
- Fall in hormone levels stimulates prostaglandin release, causing vasoconstriction and disrupting blood supply to endometrium.
- Prostaglandin also causes uterine myometrium contraction, expelling blood and endometrium as menstrual flow.
- Excessive contraction causes dysmenorrhea (pain).
- Blood clotting disorder causes excessive flow.
- Malnutrition causes menopause.
- Corpus luteum continues to grow and produce progesterone and estrogen if fertilization and implantation occur.
- Surgical removal of corpus luteum at 4 months causes abortion.
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