No, it doesn't.
If she does not wish to become pregnant, she should obtain emergency contraception within 72 hours, but the sooner, the better.
Just an FYI: condoms rarely tear or rip when used properly. So in the future, be sure you're using quality condoms well within their expiry dates. Be sure you're using additional latex-safe lubricant with the condoms, and be sure you're leaving plenty of space open at the tip (pinch it as you put it on to be sure it's not full of air).
Editor and Founder, Scarleteen
My epitaph should read: "She worked herself into this ground."
-- Kay Bailey Hutchinson