Getting pregnant has nothing to do with your 'cherry' (which is actually called a hymen). A lot of women lose their hymen during every day normal activities. Bike riding, horseback riding, sports. If you had sex, your 'cherry' is popped.
Sex causes pregnancy! Especially unprotected sex. If you do not wish to be pregnant, use birth control.
For now, wait until you miss your period then take a pregnancy test.
FYI: you could be pregnant.