Thread: What are the chances of pregnancy if your on the pill.

Fish posted this on a previous thread a couple of months ago. Hope it helps.

Originally Posted by Fish

So I found this website that lists the effectiveness of combining birth control methods. I know I can't post the link on here but if anyone wants it just pm me. They list every possible combination. We are not worried about a 0.04% decrease in effectiveness between combinations, so we are going to try without a condom or spermicide and use withdrawal. Tomorrow night cannot come soon enough!!

Combination Oral Contraceptives ("The Pill")
99.7% effective alone with perfect use - 92% effective alone with typical use
Combination OCP + Cervical Barriers = 99.98% effective with perfect use - 98.88% effective with typical use
Combination OCP + Male Condoms = 99.99% effective with perfect use - 98.8% effective with typical use
Combination OCP + The Sponge = 99.97%effective with perfect use - 98.72% effective with typical use
Combination OCP + Female Condoms = 99.98% effective with perfect use - 98.32% effective with typical use
Combination OCP + Emergency Contraception* = 99.97% effective with perfect use - 98% effective with typical use
Combination OCP + Withdrawal = 99.98% effective with perfect use - 97.84% effective
Combination OCP + Spermicide = 99.94% effective with perfect use - 97.68% effective with typical use