A childhood belief about reproduction

This is from when I was 5. I somehow understood that a brief time each month was tied to reproduction. I had read about sperm cells and egg cells, and I knew that babies came from the union of them. However, I figured that the sperm cell and egg cell met through oral contact--kissing. Kissing during a certain time of month produced babies. Also, I figured that the baby, who had been in the *stomach*, where it could get food from the mother, had to come out the same way it went in. So I basically believed that babies were vomited out. It's funny how almost-right can be so very off.