Skip navigation

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Results 1 - 4 of 4 for Pills
  1. ... a successful pregnancy. To prevent pregnancy, birth control pills affect how these organs normally function. ... The lower levels of estrogen in birth control pills suppress FSH and LH, "fooling" the pituitary gland ...
  2. The pill works in several ways to prevent pregnancy. The pill suppresses ovulation so that an egg is not ... for sperm to swim into the womb. The pill also does not allow the lining of the ...
  3. ... If a hormone imbalance is detected, birth control pills may restore the proper hormone levels.
  4. ... is about the size of a large vitamin pill. After swallowing it, the capsule travels the length ...