julie wrote:Pill...not 100 %, condom, breaks sometimes, sponge? I thought that was for cleaning counter tops?
I am on the pill. My little brother was conceived even thought my parents used a condom
Well, I meant to use them all at once.
Visit 
http://www.plannedparenthood.org/health ... e-4224.htm for sponge information.
Probability of failure of each when used as directed alone:
Pill 1%
Condom 2%
Sponge 9%
Probability of failure when used as directed concurrently:
1% x 2% x 9% = 0.001800%
I have a cousin whose birth resulted from her older brother playing with her father's condoms!
I worked in a restaurant kitchen the summer after my freshman year in college.  I let it slip in conversation that I was a 19 year old virgin.  I caught plenty of grief for that the rest of the summer from my compulsively fornicating slacker coworkers.  Justice "came" at the end of the summer when one of the offenders announced in terror that he would become a father at the tender age of 17 after his condom broke and his girlfriend became pregnant.
A young lady of my acquaintance, a new atheist, told me after a long absence from chat that she had had an abortion.  She and I had engaged in lengthy exchanges about the ethics of abortion from a secular perspective.  I had argued pro-choice and she had argued against it, finally concluding that she would tolerate it legally but never have one herself.  Her actual pregnancy experience changed her mind.  I had no idea this person was sexually active herself or we would have had a very, very long conversation about contraception.  She was on the pill but forgot one day and then took two the next -- not good enough.  "Condoms suck," she whined when I asked about them, as if getting an abortion sucked less.
I am not here to pick on anyone about their choices but my personal risk aversion is clear and for good cause.