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    Fertility Facts

    How Age Affects Fertility: Facts Every Woman Should Know

    Dr. Mazuba Makamo
    Dr. Mazuba MakamoFertility Specialist
    January 5, 2026
    5 min read
    How Age Affects Fertility: Facts Every Woman Should Know

    How Age Affects Fertility

    Age is the single most important factor affecting a woman's fertility. Understanding this relationship helps you make informed decisions about family planning.

    The Biology of Ovarian Reserve

    Women are born with all the eggs they'll ever have - approximately 1-2 million at birth. This number declines naturally over time.

    Key Age Milestones

    Under 30: Peak fertility years with highest egg quality and quantity.

    30-35: Gradual decline begins, though fertility remains strong.

    35-40: More significant decline in both quantity and quality of eggs.

    40+: Fertility decreases more rapidly; IVF success rates decline.

    What This Means for You

    If you're not ready for children but want to preserve your options, consider:

    • Fertility testing to understand your ovarian reserve
    • Egg freezing to preserve younger eggs
    • Open discussions with your partner about timing

    Hope at Any Age

    While age affects fertility, it doesn't eliminate options. Many women successfully conceive in their late 30s and 40s with appropriate support and treatment.

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