Pill users over the age of 35 who smoke are at a much higher risk for stroke, heart attack and heart problems. This is not true for Pill users who do not smoke. There is no connection between fertility problems and using the Pill for any length of time. Ask any woman who forgets her pills and becomes pregnant. If you had infertility problems before going on the pill, you will have them after stopping it.
Age is an important for infertility.
Fertility decreases with age, especially after 35. You may gain up to 5 pounds of when first going on certain brands of pills. This is from water retention caused by the progesterone in the pill. This does go away after 2-3 months. The pill has no calories and calories make you gain weight.