Fertility is defined as probability of achieving a pregnancy within two years of unprotected sex. Infertility is not a disease but a symptom which more than physical causes mental agony. Fertility can be impaired due to problems encountered in either or both partners. Male and female factors contribute to 30-35% of infertility, while l0% belongs to the unexplained group. Unexplained infertility means that all the known investigations performed on both the partners are normal and the cause of inf...
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