NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,386 terms related to cancer and medicine.
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- oral contraceptive pill
- listen (OR-ul KON-truh-SEP-tiv ...)
- A pill used to prevent pregnancy. It contains hormones that block the release of eggs from the ovaries. Most oral contraceptives include estrogen and progestin. Also called birth control pill.