Infertility: Diminished or absent ability to conceive and bear offspring. A couple is considered to be experiencing infertility if conception has not occurred after 12 months of sexual activity without the use of contraception. Infertility can have many causes and may be related to factors in the male, female, or both. Treatments can include medications and assisted reproductive technologies.
Quick GuideInfertility: Types, Treatments, and Costs
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Last Editorial Review: 5/13/2016