The male reproductive anatomy includes the bladder, epididymis, penis, scrotum, and prostate gland.
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In an uncircumcised boy, the foreskin will begin to separate from the tip of the penis. This happens naturally while the boy is a baby. This is called foreskin retraction.
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Cognitive development means the growth of a child's ability to think and reason. This growth happens differently from ages 6 to 12, and ages 12 to 18.
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The teen years bring a focus on social interactions and friendships. This includes same-gender friends, same-gender groups of friends, and cross-gender groups of friends. In addition, sexual maturity triggers teens' interest in dating and sexual relationships.
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Women suffer more frequent and severe symptoms from STDs. Some STDs can cause pelvic inflammatory disease, which can lead to both infertility and ectopic pregnancy.
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AIDS is caused by the human immunodeficiency virus, which kills or impairs cells of the immune system and progressively destroys the body's ability to fight infections and certain cancers.
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The only safe sex is no sex, most healthcare providers say. But certain precautions and safe behaviors can reduce a person's risk of contracting a sexually transmitted infection.
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Detailed information on what teen boys can expect during a physical exam.
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During puberty, a teen boy will grow taller and heavier, and hormones will lead to sexual maturity. Read on to learn what to expect.
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