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Usually, affected men show no symptoms, although they may have smaller testes. Men with this condition may exhibit azoospermia (no sperm production), oligozoospermia (small number of sperm production), or they may produce abnormally shaped sperm (teratozoospermia). [22] This case of infertility occurs during the development of gametes in the male.
About 95 out of 100 couples who are trying to get pregnant do so within two years. [90] Women become less fertile as they get older. For women aged 35, about 94% who have regular unprotected sexual intercourse get pregnant after three years of trying. For women aged 38, however, only about 77%. The effect of age upon men's fertility is less ...
At age 45, a woman starting to try to conceive will have no live birth in 50–80 percent of cases. [2] Menopause, or the cessation of menstrual periods, generally occurs in the 40s and 50s and marks the cessation of fertility, although age-related infertility can occur before then. [3]
Even so, infertility generally pertains to the inability to conceive within a year time span for both sexes. [2] This can be due to various factors in women and men; for men specifically, it can be related to physical health, fluctuation of hormones, genetic dispositions or ejaculatory dysfunctions.
Commonly, the post-menopausal woman is not called hypogonadal if she is of typical menopausal age. Contrast with a young woman or teen, who would have hypogonadism rather than menopause. This is because hypogonadism is an abnormality, whereas menopause is a normal change in hormone levels.
It reduces menopause symptoms like hot flashes, sleep problems, mood changes, and vaginal dryness, but does comes with an increased risk of stroke and blood clots in the legs and lungs.
About 10–15% of human couples are infertile, unable to conceive.In approximately in half of these cases, the underlying cause is related to the male. The underlying causative factors in the male infertility can be attributed to environmental toxins, systemic disorders such as, hypothalamic–pituitary disease, testicular cancers and germ-cell aplasia.
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