Q: Why do blondes take the pill?
A: So they know what day of the week it is.
Q: Why did the blonde stop using the pill?
A: Because it kept falling out.
Q: What does a blonde say when she gives birth?
A: Gee, Are you sure it's mine?
Q: How do you get a blonde pregnant?
A: Come in her shoes and let the flies do the rest.