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    Fertility Problems - Cause

    Fertility problems have many causes that involve either the woman's, the man's, or both partners' reproductive systems. Some causes include:

    Rates of infertility and miscarriage increase with age. A woman's fertility peaks in her late 20s. It gradually begins to decline in her early 30s. A more pronounced drop in fertility and increase in miscarriage risk begins around her mid-30s. This is primarily due to the aging egg supply. Male fertility also decreases with age. But it is a more gradual decline than in women.

    Recommended Related to Infertility & Reproduction

    Luteal Phase Defect

    A luteal phase defect is a disruption in a woman's monthly menstrual cycle. The luteal phase is one stage of the menstrual cycle. It occurs after ovulation (when the ovaries release an egg) and before your period starts. During this phase, the lining of your uterus normally becomes thicker to prepare for a possible pregnancy. If you have a luteal phase defect, the lining of your uterus does not grow properly each month. This can make it difficult to become or remain pregnant, although there is...

    Read the Luteal Phase Defect article > >

    WebMD Medical Reference from Healthwise

    Last Updated: June 04, 2014
    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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