| umls-concept:C0021359 | skos:definition | MSH: Inability to reproduce after a specified period of unprotected intercourse. Reproductive sterility is permanent infertility.,MEDLINEPLUS: <p>Infertility means not being able to become pregnant after a year of trying. If a woman keeps having miscarriages, it is also called infertility. Lots of couples have infertility problems. About a third of the time, infertility can be traced to the <a href='http://www.nlm.nih.gov/medlineplus/femaleinfertility.html'>woman</a>. In another third of cases, it is because of the <a href='http://www.nlm.nih.gov/medlineplus/maleinfertility.html'>man</a>. The rest of the time, it is because of both partners or no cause is found.</p><p>Drugs or surgery are common treatments. Happily, two-thirds of couples treated for infertility go on to have babies.</p><p style="font-weight:bold;font-style:italic;">National Women's Health Information Center</p>,NCI: Inability to conceive for at least one year after trying and having unprotected sex. Causes of female infertility include endome | lld:umls |
