Definition of Birth control
Birth control: Birth control is the use of any practices, methods, or devices to prevent pregnancy from occurring in a sexually active woman. Also referred to as family planning, pregnancy prevention, fertility control, or contraception; birth control methods are designed either to prevent fertilization of an egg or implantation of a fertilized egg in the uterus.
Birth control methods may be reversible or irreversible.
Source:
MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=53351
Last Editorial Review: 9/13/2005
Drug Medical Dictionary of Terms by Letter