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Learning Center
Amenorrhea
Absence of menstruation (amenorrhea) may be linked to an underlying, treatable problem. Learn about amenorrhea causes and when to seek help.
Delayed ejaculation
Learn what can cause delayed or absent ejaculation and how it can be treated.
Male infertility
Male infertility often plays a role when couples have trouble conceiving. Find out what causes male infertility and available options for treatment.
Stage 4 prostate cancer
Find out about diagnosis and treatment of this cancer that has spread to the lymph nodes or other parts of the body.
Post-vasectomy pain syndrome
Learn about post-vasectomy pain syndrome (PVPS) — How it happens after a vasectomy, tests to diagnose it and treatment options.
Diarrhea
Learn more about what causes this common, unpleasant digestive condition, and how you can treat and prevent it.
Hypospadias
Hypospadias is a birth defect in which the opening of the urethra is located on the underside of the penis instead of the tip. Learn about treatment.
Prostatitis
Learn about tests and treatments for disorders of the prostate gland that cause pain, difficult or painful urination, and other symptoms.
Testicular cancer
Learn about cancer that starts in the testicles. Treatments include surgery, chemotherapy and radiation therapy.
Ambiguous genitalia
Learn about causes and treatment of ambiguous genitalia, a rare disorder of sex development in which a baby's external genitals are not clearly male or female.
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