Respected Dr. I had unprotected sex last month on around 15 or 16 and had taken ipill after 1 hour. And after that my periods came on 2 or 3 december. And after this my periods due date was on 23 and my periods did not came so I had done a beta hcg test and it shows <1.20 and the lab technician said it was negative. So after that date till now my periods did not come. Is I am pregnant or something. Why did not mh periods came till now? Kindly help. thank you.