I had unprotected sex two weeks back and i took morning after pill and on the 1st of may had unprotected sex again but this time i took two tablets of primolut N at once. I was suppose to start my periods on the 7th of may but nothing came out even today. I took a home pregnancy test yesterday and it came back negative. Could i be pregnant? or did i took the test early? and how long should i wait before taking homne pregnacy test?