Infertility is defined as failure to achieve pregnancy after 12 months or more of regular, unprotected intercourse. Infertility is presumed after 12 months when the female partner is younger than 35 years, and after 6 months when the female partner is older than 35 years....
Erectile dysfunction can result from organic, psychogenic, or substance-induced causes. Phosphodiesterase type 5 inhibitors are the mainstay of medical treatment, although other medications and interventions, such as intracavernosal injection therapy and constriction devices,...
Disorders of ejaculation include premature ejaculation, delayed ejaculation, retrograde ejaculation, and hematospermia. Lifelong premature ejaculation is defined as ejaculation always or nearly always within 1 minute of vaginal penetration that has been present since the...
Sexually transmitted infections (STIs) in men can be caused by bacteria, viruses, or parasites. Patients present primarily with urethritis or skin manifestations. The most common STIs affecting men include gonorrhea; chlamydia; Mycoplasma and Ureaplasma infections;...
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