Therefore, if you have used hormonal contraception in the past, then you may have conceived a child. I have read estimates that 2 – 10% of the time, “breakthrough ovulation” occurs each month while a woman is on the Pill.
This means a woman has up to a 10% chance that her hormonal birth control will not prevent ovulation from occurring. If she has sex shortly after such ovulating, then conception will result.[click to continue...]