Short for birth control pills, or oral contraceptives, which are taken by women to prevent pregnancy. The Pill is made of hormones like the ones a woman's body produces. Different Pills work in different ways: by preventing release of an egg from a woman's ovary ( ovulation); by increasing cervical mucus to block sperm; or by creating a thin uterine environment preventing implantation of a fertilized egg in the uterus. Used correctly, the Pill is very effective in preventing pregnancy, but offers no protection against STDs.

Pills that a woman can take every day to keep from getting pregnant. The pills are hormones. Once inside the body the hormones tell the ovaries not to make eggs. Then during sex (when sperm gets inside the woman) the sperm can't find an egg. A woman doesn't get pregnant. BIRTH CONTROL PILLS do not stop a woman or a man from getting STDs. They do not stop fluid with germs from getting inside the woman's vagina or the man's penis. People also call BIRTH CONTROL PILLS "the pill".

A series of progesterone and/or estrogen hormone pills taken throughout the monthly cycle to prevent pregnancy by inhibiting the release of an egg from the ovaries.

Píldoras anticonceptivas (Anticonceptivos orales) Any of various preparations that usually contain a combination of a progestogen (as norethindrone) and an estrogen (as ethinyl estradiol) but sometimes only a progestogen. They are taken orally especially on a daily basis, and act as contraceptives typically preventing ovulation by suppressing secretion of gonadotropins (as luteinizing hormone) -- called also oral contraceptive, oral contraceptive pill Son un método de control natal que utiliza hormonas para prevenir el embarazo. Las hormonas femeninas sintéticas contenidas en las píldoras modifican los niveles de hormonas naturales de una mujer e impiden que sus ovarios liberen un óvulo cada mes. El cuello uterino también produce menos moco, de modo que los espermatozoides no pueden penetrar fácilmente en el útero. Además, el revestimiento del útero se adelgaza, de modo que sería más difícil que un huevo fecundado permaneciera ahí.

Commonly referred to as "the pill," hormones (estrogen and progestin) that are prescribed by a doctor, and taken daily to prevent a woman from ovulating and, thus, from becoming pregnant.

work two ways to lessen cramps. They prevent the lining of the uterus from building up so much, so there's less bleeding. This means less prostaglandin production and blood vessel narrowing because there's less lining to separate and fewer contractions because there's less tissue to push out.

female sex hormones administered to prevent pregnancy

Medication prescribed by a doctor which, when taken by the wife as directed, makes it highly unlikely for her to deliver a child because of sexual intercourse. However, if the wife conceives, the birth control medication may cause the chemical abortion of the pregnancy at a very early stage.