Boxers vs Briefs

Q: Am I more likely to get pregnant if my husband wears boxers rather than briefs?
A: Yes, but you'll have an even better chance if he doesn't wear anything at all.

Cat and Coin

Q: How is a cat laying down like a coin?
A: Because he has his head on one side and his tail on the other!

Symbols

Q: If a stork symbolizes birth what type of bird symbolizes birth control?
A: A swallow.