Hi doctor I am Madhuri age 24, married,we are not trying for baby but we met only on 6th day of my cycle and my LMP was 14th April, it was 1st June I didn't get my periods still. I had regestrone and oflamac tz tablets for 3 days still i didn't get my periods. i have checked for pregnancy, it was negative. is thera any chance of pregnancy still and what will be thw side effects of the tablets I had?