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What regulates the menstrual cycle? a. phases of the month that coincide with lunar phases b. increases and decreases in estrogen and progesterone levels c. the presence or absence of androgens d. none
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What regulates the menstrual cycle?

a. phases of the month that coincide with lunar phases
b. increases and decreases in estrogen and progesterone levels
c. the presence or absence of androgens
d. none of these?

User Vernessa
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1 Answer

2 votes
Increase and decrease in oestrogen and progesterone.
User Speedingdeer
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