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Biology, 10.10.2019 06:00 Victoriag2626

Why do birth control pills contain estrogen?

a. eggs are made of estrogen.
b. women normally have no estrogen in their bodies.
c. sperm use progesterone to fertilize eggs.
d. estrogen controls the ovulation process.

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Answers: 1

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Why do birth control pills contain estrogen?

a. eggs are made of estrogen.
b. wom...
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