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- Oral contraceptives use hormones to prevent pregnancy. Combination pills contain both progestin and estrogen. ... Birth control pills ...
- Oral contraceptives use hormones to prevent pregnancy. Progestin-only pills have only the hormone progestin. They do not have estrogen ...
- Birth control pills (BCPs) contain man-made forms of 2 hormones called estrogen and progestin. These hormones are made naturally in ...