Hello Dr. Good morning .i have period problem. I am a newly married girl. I had intercourse with my hubby for the first tym on 29 th oct n then on 31 oct without any protection. I am not sure what happened during those two days .i have taken unwanted 72 on 4th noverm in noon .then on 5 we have done it with full protection. My before last period date was 13 and last months date was 8 now today is 13 of november .and still I do not get in periods I have checked trice from preganews. First on 5 then on 6th and then on 11th. All.tge results were negative .I m very worried. although I have taken papita n hot things as well to produce heat. Today I have done exercise also. Is prega is the right brand to test from. I am very worried please help me out.