You guys seemed to be arguing about pulling out a few posts back. If you're using the "pull-out" method as a birth control method, then it's definitely NOT reliable. Obviously, it's better than nothing...but I think you'd be better off using her natural cycles (e.g., she ovulates in the middle of her cycle (roughly but not always day 14), so the first 5ish days after her period ends you theoretically should be totally safe).