How Are Some Female Mammals Protected from the Mother's Circulating

question 161

Multiple Choice

How are some female mammals protected from the mother's circulating estradiol?

• A) Alpha fetoprotein deactivates circulating estradiol.
• B) The mother does not produce estradiol while pregnant.
• C) The placenta blocks circulating estradiol.
• D) The blood-brain barrier blocks circulating estradiol.

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