Women: Pregnyl (Human chorionic gonadotropin) is used to cause ovulation and to treat infertility in women.
Men: Pregnyl is used to increase the sperm count. HCG is also used in young boys when their testicles have not dropped down into the scrotum normally.
Pregnyl is not addictive.
Possible Side Effects: Fluid accumulation in the lungs; fever; a headache. Injection problems such as bruising, pain, redness, swelling, itching, rash or allergic reactions. Liver problems; can affect pregnancy test results; mood swings; Multiple pregnancy; thromboembolism; fatigue.