1. A girl can't get pregnant if she has sex standing up.
2. An egg is usually released from a woman's ovaries once a month.
3. A girl can get pregnant the first time she has sex.
4. Sperm can come out of a man's penis before he ejaculates.
5. If a boy has an erection, he must 'come' or it will hurt him.
6. Pregnancy usually lasts for about 9 months.