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    Sexuality and Reproductive Issues (PDQ®): Supportive care - Patient Information [NCI] - Fertility Issues

    Cancer treatments may cause infertility.

    Radiation therapy and chemotherapy may cause infertility (being unable to have children). This may be temporary or permanent. The risk of infertility as a side effect of cancer treatment depends on the following:

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    • Gender.
    • Age at time of treatment.
    • Type and dose of radiation therapy and/or chemotherapy.
    • Where in the body the radiation is given.
    • Whether you had one type of therapy or more than one.
    • How long ago you had treatment.

    Ask your doctor if your cancer or its treatment may cause infertility or sexual side effects. Your doctor can tell you what changes may happen. A child may be too young to understand issues about infertility or sexuality. Parents can decide what they want their child to know about these issues.

    If you are concerned about your ability to have children, find out what you can do before treatment.

    Talk to your doctor before treatment if you are concerned about the effects of cancer treatment on your ability to have children. Your doctor can recommend a counselor or fertility specialist who can tell you your options and help you and your partner make a decision. Options may include freezing sperm, eggs, or ovarian tissue before cancer treatment.

    Chemotherapy can affect fertility.

    The following chemotherapy agents have been shown to affect fertility:

    Fertility is likely to get better the longer you have been off chemotherapy. If you are taking chemotherapy, your age is an important factor. In women older than 40 years, adjuvant hormone therapy increases the risk that chemotherapy will cause infertility.

    Radiation therapy to the abdomen or pelvis can cause infertility.

    A man's age and the amount of radiation given directly to the testicles affects his risk of infertility. Lower doses of radiation and using lead shields to protect the testicles can help men keep their fertility. Sperm counts usually take 10 to 24 months to return to the level they were before radiation therapy. Usually, the higher the radiation dose, the longer it takes to recover. If the body is not making hormones normally, hormone therapy may help restore fertility. Radiation given to boys who have not reached puberty can cause problems with fertility.

    Radiation therapy to the ovaries may cause infertility in women of any age. High doses of radiation in women younger than 26 years may cause early menopause. Lower doses of radiation can cause infertility in women older than 40 years. Regaining fertility is more likely if radiation to the ovaries is given before puberty. Doctors are sometimes able to protect the ovaries during radiation therapy.

    This information is produced and provided by the National Cancer Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National Cancer Institute via the Internet web site at http:// cancer .gov or call 1-800-4-CANCER.

    WebMD Public Information from the National Cancer Institute

    Last Updated: May 28, 2015
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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