Okay. So i had sex the 12th nd the 21st of December of 2012. We used a condom nd pulled out both times. Nd they were no rips. I took a pregnacy test the 8th of January at night nd one in the morning nd they were both negative. Its been enough time from both dates to have gotten pregnant? from the 12th is been already a month nd from the 21st is been 23 days.. nd no period so far.. my mom starts her period right after mine nd she hasnt started hers so.. whars going on?! Pleaseee help me!