Hi, Dr. my course of Deviry tablets of 3 cycle was finished on 21st Nov and my last period start on 7th dec. I have done unprotected sex on 17th dec in missionary position, according to 27days monthly periods cycle next periods start on 3rd Jan. So now tell me how many chances of conceiving and what precautions to bhe taken to conceive. And when should I take urine pregnancy test. please reply Dr. and another Doctors also. I will be very thankful to all of yours answers.