The tubes that attach a woman's ovaries to her womb. The eggs travel down the fallopian tubes each month when they are released from the ovaries.

A nationwide network of clinics where you can go for free and confidential advice about sex and contraception, also known as Contraception Clinics.

Another word for a blow job, where someone takes their partner's penis in their mouth to stimulate them sexually.

A rubber sheath that lines the girl's vagina to prevent pregnancy. Female condoms can be inserted between 20 minutes to 6 hours before you are going to have sex. Female condoms should not be reused. Open a new one each time you have sex.

If a boy's sperm gets into the vagina it can travel up the cervix and meet an egg. If the egg becomes fertilised by a sperm an embryo can start to grow. If this happens the girl has become pregnant.

If a girl or boy has a healthy reproductive system and they are able to get pregnant or to produce healthy sperm, they are fertile.

If a girl or boy is not able to get pregnant, or to produce healthy sperm, they may have a fertility problem. There are many different types of fertility problems, but many can be treated by doctors. Some STIs can lead to fertility problems if they are left untreated.

When someone uses their fingers to stimulate a girl's genitals.

Novelty condoms that usually taste of fruit, chocolate or mint flavours. Condoms can also be ribbed, bobbled or different colours.

The medical name for a baby in the womb between the 8th week of pregnancy and the birth.

Any kind of sexual activity that leads up to but doesn't include full intercourse.

The fold of skin that covers the end of a man's penis.

When you kiss someone and put your tongues in each others mouths.

A word for someone who can't get sexually aroused.

Another name for having sex.