Noun
a contraceptive in the form of a pill containing estrogen and progestin to inhibit ovulation and so prevent conception
Source: WordNetAustralia The first oral contraceptive introduced outside the United States was Schering 's Anovlar ( norethisterone acetate 4 mg + ethinyl estradiol 50 µg) on January 1, 1961 in Australia. Source: Internet
Combined oral contraceptive use reduces the risk of ovarian cancer by 40% and the risk of endometrial cancer by 50% compared with never users. Source: Internet
Female previously was given an oral contraceptive, but not a kind humans use. Source: Internet
Some small studies have suggested that oral contraceptive use may be associated with an increased risk of birth defects, possibly by altering vitamin levels in the blood. Source: Internet
None of the implants or intrauterine devices contain oestrogen, so they avoid the risk (albeit very small) of venous blood clots associated with the combined oral contraceptive pill or the vaginal ring. Source: Internet
It may also alter the effectiveness of combined oral contraceptive pills because of its effect on the gut flora. Source: Internet