Reproductive System: Hormones, Periods & Pregnancy Health

The reproductive system is regulated by complex hormones. Understand menstrual cycle counting, the impact of lifestyle on sperm, and premenopausal symptoms.

Positive Pregnancy Test

When Does hCG Appear in Urine?

Human chorionic gonadotropin (hCG) is a hormone the body makes during pregnancy, and is the chemical detected by urine pregnancy tests. However there are less common reasons -- outside of pregnancy -- when hCG may appear in the urine.

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