What Is the Mechanism Whereby Estrogen Functions as a Contraceptive

question 12

Multiple Choice

What is the mechanism whereby estrogen functions as a contraceptive?

• A) Inhibiting luteinizing hormone (LH),blocking release of ovum from a follicle
• B) Thinning cervical mucus,which inhibits sperm migration
• C) Trapping the ovum in the endometrial wall,preventing its growth
• D) Blocking follicle-stimulating hormone (FSH),thereby preventing release of ovum

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