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Contraception during and after breast cancer treatment

Although some breast cancer treatments can cause menstrual periods to stop, this doesn’t necessarily mean a woman can’t become pregnant during treatment. It’s important for women who are sexually active to continue to use contraception during and after breast cancer treatment.

There’s no evidence about whether or not it’s safe to take the oral contraceptive pill (‘the pill’) or use implants (etonogestrel implants) during or after treatment for breast cancer. Therefore it’s recommended that women use non-hormonal forms of contraception, such as condoms, diaphragms, intrauterine contraceptive devices (IUDs) or male or female sterilisation.

It’s still possible to catch sexually transmitted infections (STIs) after menopause. Condoms are the most effective way of protecting against STIs.