Scrotum

A pouch of skin containing the testes (balls) in a male.

See a doctor

See Accessing Health Care

Semen

The thick, whitish secretion (fluid) from the penis during ejaculation, containing sperm.

Sexual health clinics

See Sexual health clinics

Sperm

A sexual reproductive cell produced after puberty in a male. Shaped like a tadpole.

Testicles

See Diagram

Unprotected sex

See How can it be prevented

Urethra

A small tube that drains urine (wee) from the bladder, and is also where semen leaves the penis in a male.

Uterus

A hollow, pear-shaped organ where a pregnancy can develop, and from where periods begin.

Vaginal secretions

Fluid found in the vagina from the cervix or nearby glands.