Doggie Position

There were three women who were at the gynecologist having pre-natal checkups The doctor asked the first woman "in what position was the baby conceived?"

"He was on top ", she replied.
"You will have a boy!" the doctor exclaimed.

The second woman was asked the same question.
"I was on top ", was the reply.
"you will have a baby girl. " said the doctor.

With this, the third women, a blonde, burst into tears. "What's the matter?" asked the doc.
"Am I going to have puppies?”.....