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  1. Infertility - Symptoms and causes - Mayo Clinic

    Infertility is the medical term for when you can't get pregnant despite having frequent, unprotected sex for at least a year for most couples. Infertility may happen because of a health issue with either you …

  2. Infertility: Types, Causes, Symptoms, Diagnosis & Treatment

    Apr 19, 2023 · Infertility is a condition where you can’t get pregnant after one year of trying to conceive. Causes of infertility can include ovulatory disorders, endometriosis, low sperm count or low …

  3. Infertility - Wikipedia

    In biology, infertility is the inability of a male and female organism to reproduce. It is usually not the natural state of a healthy organism that has reached sexual maturity, so children who have not …

  4. Infertility - World Health Organization (WHO)

    Nov 28, 2025 · Infertility is a disease of the male or female reproductive system defined by the failure to achieve a pregnancy after 12 months or more of regular unprotected sexual intercourse. Infertility …

  5. Infertility: Frequently Asked Questions | Reproductive Health | CDC

    May 15, 2024 · For couples hoping to become parents, difficulty conceiving a baby can be frustrating and unexpected. Many couples who struggle with infertility do end up having children, sometimes …

  6. Infertility Symptoms in Men and Women - WebMD

    Jul 18, 2025 · Take a few minutes to learn what infertility means and what can cause it. Then talk to your doctor to find out what your next steps should be. Infertility is when you cannot get pregnant after...

  7. Infertility Treatments - MedlinePlus

    Jan 18, 2026 · Infertility is when a woman can't get pregnant after a year or keeps having miscarriages. Read about infertility, its causes, and treatments.

  8. Diagnosis and Management of Infertility: A Review - PMC

    Infertility is defined as the failure to achieve pregnancy after 12 months of regular unprotected sexual intercourse. Approximately 85% of infertile couples have an identifiable cause. The most common …

  9. What Is Infertility? | Causes of Infertility in Men & Women

    Infertility is when you have trouble getting pregnant or staying pregnant. Infertility can happen to women and men, and can have many causes.

  10. Infertility - Office on Women's Health

    Feb 22, 2021 · Infertility means not being able to get pregnant after one year of trying (or six months if a woman is 35 or older). Women who can get pregnant but are unable to stay pregnant may also be …