Fertility and breast cancer treatment
Preserving options before treatment starts
The short version
Chemotherapy, ovarian suppression, and some other treatments can affect fertility, sometimes temporarily and sometimes permanently. If future fertility matters to you, it's worth raising before treatment starts, since options are more limited afterward.
Some breast cancer treatments — including certain chemotherapy drugs and ovarian suppression — can affect fertility, sometimes temporarily and sometimes permanently. The effect varies by age, specific drugs, and dose.
Timing matters
If preserving fertility matters to you, ask about it as early as possible — ideally before treatment starts, since fertility preservation options are more limited once treatment has begun.
- Egg or embryo freezing is a common option for some patients, usually requiring a couple of weeks before treatment starts
- Ovarian suppression during chemotherapy may help protect ovarian function for some people
- A reproductive endocrinologist, often via urgent referral, can discuss options specific to your timeline
Questions you may want to ask
How likely is my specific treatment plan to affect my fertility?
Can I get an urgent referral to discuss fertility preservation before I start treatment?