Three pregnant women--a brunette, a redhead, and a blonde--were sitting in the OBGYN waiting room, discussion conception.

"My husband and I conceived in the missionary position," said the brunette, "so our baby will be a boy."

"My boyfriend and I conceived in the female-superior position," said the redhead," so we're having a girl."

As the blonde listened to the two women's conversation, she suddenly burst into tears. "My god!" she cried, "I'm having puppies!"