disease has feature Infertility reproductive system disease infertility disorder DOID:5223 EFO:0000545 Editor note: dubious as to whether this is a disease as defined, check with clingen before obsoleting Inability to conceive for at least one year after trying and having unprotected sex. Causes of female infertility include endometriosis, fallopian tubes obstruction, and polycystic ovary syndrome. Causes of male infertility include abnormal sperm production or function, blockage of the epididymis, blockage of the ejaculatory ducts, hypospadias, exposure to pesticides, and health related issues. MESH:D007246 MONDO:0005047 NCIT:C3836 Sterile fertility disorders infertile infertility sterile sterility