How long after breast cancer treatment can I get pregnant? Doctors call for thorough evaluation: Fertility may be lost even after menstruation resumes

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Summary of article:

There is no set number of years when breast cancer patients can become pregnant after treatment. It should be comprehensively evaluated based on disease status, treatment, and follow-up results. Preserving fertility before treatment may better preserve future options.

A 39-year-old woman was diagnosed 2 years ago.breast cancer Concerned that the treatment would affect her fertility, after evaluation by the medical team, she first underwent egg retrieval treatment, and after fertilization with her husband’s sperm, the embryos were cultured and frozen. Two years after receiving cancer treatment, the embryos were retrieved, thawed, and implanted, and she eventually successfully became pregnant. Doctors said many breast cancer patients are concerned about “how long it will take to get pregnant” after treatment. It should comprehensively consider the stage of breast cancer, hormone receptor status, risk of recurrence, etc. and make a holistic assessment. It is recommended that if the patient has a family plan when diagnosed, fertility preservation can be done first.

Reproductive medicine doctor Wu Chengxuan said that breast cancer does not mean that women will not be able to get pregnant, but some chemotherapy drugs can damage ovarian follicles, reduce ovarian function, and even cause early menopause. The actual degree of effect is related to the patient’s age, drug type, dosage, and basic ovarian function. Even if menstruation resumes after treatment, this does not mean that fertility has completely returned to before treatment. It is recommended that patients who have not completed their fertility plan discuss fertility preservation with their doctor before starting cancer treatment.

Fertility preservation methods for cancer patients include egg freezing, embryo freezing, etc. If you are single and unmarried, you can only freeze eggs according to the rules. Wu Chengxuan said that many cancer patients of childbearing age often focus all their attention on treatment after being diagnosed. They may not realize that ovarian function may be affected until the end of treatment and pregnancy preparation. Cancer treatment is certainly a priority, but if the patient still has fertility plans, the option of future fertility can still be reserved for the patient without affecting cancer treatment.

Many breast cancer patients are concerned about how long it will take to get pregnant safely after treatment. Wu Chengxuan said that instead of separating the timing of pregnancy based on a fixed number of years, the stage of breast cancer, hormone receptor status, risk of recurrence, type of treatment and follow-up results, etc. need to be comprehensively considered. In particular, breast cancer patients may need to receive adjuvant hormone therapy for several years after surgery. If there are any birth plans, whether to stop the medication, when to start trying to get pregnant, etc. should be carefully evaluated by breast surgery specialists. Patients should not stop taking medications for fertility on their own.

Summary FAQ


  • There is no definite answer. It depends on the stage of breast cancer, hormone receptor status, recurrence risk, treatment method, and follow-up results. The decision will be taken after careful assessment by the breast surgery and medical team.


  • Because some chemotherapy drugs can damage ovarian follicles, resulting in decreased ovarian function or even early menopause; Recovery of menstruation represents only the return of some functions, and does not mean that egg quality and quantity have returned to before treatment.


  • Even if you have reproductive plans when diagnosed, you should discuss fertility preservation with your doctor before treatment. Common methods include egg freezing and embryo freezing; Only single and unmarried people can freeze eggs as per the rules.

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