Dear Doc,My husband has been having problems with passing urine, and he was told his prostate is bigger than usual. What would cause the prostate to be enlarged? Is there treatment for it?JoanDear ...

A recent Trump executive order defines sex based on gamete size. But the order oversimplifies genetics, hormones and reproductive biology.

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The female reproductive system includes internal and external organs, each designed to carry out varying functions. Learn ...

Reproductive steroids are powerful hormones that play a key role in the growth and development of our bodies, especially during puberty.