View Single Post
Loose Cannon
Originally Posted by Zenja
In what context are the ARP statistics? If something is 97% effective, does that mean I have a 3% chance of making her pregnant every time we have sex, every year, or during the entire time used? There's a big difference. That 3% compounded 10 times becomes 26%.

Originally Posted by Loose Cannon
the average percentage rate of pregnancy (ARP) while using that method - an ARP is defined as the average number of pregnancies among women using nothing but the method in question FOR ONE YEAR. That is, if you have sex for one year on this method, the ARP is the percentage chance of you getting pregnant.
Birth control questions? Read

"wow.. a 22k thread that doesnt suck" - jewbloob

Chief [M]icrosoft Hater of Gen[M]ay [M]ac Club.

Old 12-10-2004, 03:12 AM Loose Cannon is offline  
Reply With Quote