How Do Most Hormonal Contraceptives Prevent Pregnancy

question 11

Multiple Choice

How do most hormonal contraceptives prevent pregnancy?

• A)They decrease levels of estrogen and progesterone.
• B)They initiate negative feedback inhibition of follicle-stimulating hormone (FSH)and luteinizing hormone (LH)secretion.
• C)They prevent progestin from being released.
• D)They induce and maintain endometrium by introducing synthetic progesterone in pill form.

---

Definitions:

IBM PCs

A reference to the series of personal computers released by IBM starting in 1981, which set the standard for PC architecture.

1980

A year marked by significant events, both culturally and historically, including the eruption of Mount St. Helens and the release of the video game Pac-Man.

Bell Telephone Laboratories

A historical and influential research and scientific development company responsible for notable technological innovations.

Vacuum Tube

An electronic device that controls electric current flow through a vacuum in a sealed container, used in various applications before the advent of semiconductor devices.