"Artificial means of birth control are to the human reproductive system what binging-and-purging is to the human digestive system."
A recent study found that the children of women who became pregnant within 1 year of stopping the pill had a 67% greater chance of having allergies. The study wasn't conclusive and recommended a study specfically for this.
Interesting that we have a huge increase in certain diseases at the same time that the pill became popular.
Correlation is not causation. You know how the Pill works, don't you? It fools the body into 'thinking' it is already pregnant, mimicing what happens during real pregnancy, when ova are not released into the Fallopian tubes.