
Oral Contraceptives (Birth Control Pills) and Cancer Risk
A fact sheet about research on the association of oral contraceptive use (birth control pills) with risk of various cancers.
Cervical Cancer Causes, Risk Factors, and Prevention - NCI
Aug 2, 2024 · Both the use of oral contraceptives (birth control pills) and giving birth to many children are associated with an increased risk of cervical cancer. The reasons for these associations are not well …
Reproductive History and Cancer Risk - NCI
A fact sheet that describes what is known about the relationship between pregnancy, miscarriage, abortion, fertility treatment and the risk of cancer.
PFAS Exposure and Risk of Cancer - NCI
Utilizing a nested case-control design in PLCO, the NCI will evaluate serum samples collected after menopause from 318 ovarian cancer cases, 430 endometrial cancer cases, and a shared control …
Causes and Risk Factors | Breast Cancer - NCI
Dec 2, 2025 · Some studies have shown that women who are current or recent users of hormonal birth control pills (also called oral hormonal contraceptives) may have a slight increase in breast cancer risk.
Definition of birth control - NCI Dictionary of Cancer Terms
There are many different types of birth control. These include barrier methods to keep sperm from fertilizing the egg, hormone methods, intrauterine devices (IUDs), and surgery to close the fallopian …
Female Fertility and Cancer - Side Effects - NCI
May 14, 2025 · Cancer treatments may affect your fertility by harming reproductive organs and endocrine glands that control fertility. Changes to your fertility may be temporary or permanent.
Diethylstilbestrol (DES) Exposure and Cancer - NCI
Jan 31, 2025 · A fact sheet about the drug DES (diethylstilbestrol), a synthetic form of estrogen, and the health issues, including cancer risks, of people prenatally exposed to it.
Endometrial Cancer Prevention - NCI
May 6, 2025 · Taking hormonal contraceptives (birth control pills) that combine estrogen and progestin (combined oral contraceptives) decreases the risk of endometrial cancer.
Risk Factors for Cancer - NCI
Dec 23, 2015 · Information about behaviors, exposures, and other factors that may influence the risk of cancer.