Lifetime cancer risk and combined oral contraceptives: the Royal College of General Practitioners' Oral Contraception Study
American journal of obstetrics and gynecology | 12 Feb 2017
L Iversen, S Sivasubramaniam, AJ Lee, S Fielding and PC Hannaford
Oral contraceptives have been used by hundreds of millions of women around the world. Important questions remain regarding the very long-term cancer risks associated with oral contraception. Despite previous research important questions remain about the safety of these contraceptives: i) how long do endometrial, ovarian and colorectal cancer benefits persist for? ii) does combined oral contraceptive use during the reproductive years produce new cancer risks later in life? and iii) what is the overall balance of cancer among past users as they enter the later stages of their lives?
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