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Contraceptives, Oral

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Definition: Compounds, usually hormonal, taken orally in order to block ovulation and prevent the occurrence of pregnancy. The hormones are generally estrogen or progesterone or both.  pregn despite use: see note on CONTRACEPTIVE AGENTS   
Examples Contraceptives, Oral, Combined; Contraceptives, Oral, Hormonal; Contraceptives, Oral, Sequential; Contraceptives, Oral, Synthetic
Other names Phasic Oral Contraceptives; Oral Contraceptives, Low Dose; Low-Dose Oral Contraceptives; Contraceptives, Phasic Oral; Contraceptives, Low-Dose Oral; Oral Contraceptives, Phasic; Oral Contraceptives, Low-Dose; Oral Contraceptives
Substances having this pharmacologic action: dienogest; Trisequens; Gestrinone; estradiol Valerate, dienogest drug combination

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Sources: NLM Medical Subject Headings, NIH UMLS, Drugs@FDA, FDA AERS original data copyright United States Government. No endorsement implied. Last modified 6/6/2012

Warning: the drugs or drug combinations referred to here may be similar or related, but are not be the same ones and may not have the same pharmacological action as other substances described on the same page or in the same row. Please refer to product monograph or to your doctor
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