i had sex w a ex 6 days after my period ended (nov 15th). we used protection, but it got lost inside, he pulled it out slow, but not sure if anything went inside of me. the next day(nov 16th) i purchased and took plan b 1 step to prevent pregnancy by him. 4 days later (nov 19th) i had unprotected sex with my regular sexual partner. i have a regular 24 days cycle, my period is due to come tomorrow nov 29th and according to a ovulation calculater i was due to ovulate on the 15th of nov... am i safe from becoming pregnant? if not is it more likely than male number 2 would be the father?