Hello dear I understand your concern I do not think there is chance of the pregnancy. You put the condom backward and rolled just little. So there is chance that precum was contacted with the condom. But this precum is very less and it dose not cause pregnancy. Precum can cause pregnancy when it was enter into the vagina before ejaculation in full penetrative unprotected sex. So I don t think there is chance of the pregnancy. Avoid stress, take healthy diet, drink plenty of water, do regular exercise Hope this may help you Contact HCM for further health query Best regards Dr. Sagar