Talk to Gynecologist on Pregnancy

AoA Doctors Please Reply Age: 26 Weight: 54 Cycle: 27-28 My last periods came on 30 sep. I did unprotected intercourse with husband at 10 Oct and took one tab emkit 0.75mg after 4 hours. I took second tab 0.75mg after at night after 10 hours of first. I am facing vomiting from three days and nausea as well. Today my periods didn't come as it is 28 days. I did strip pregnancy test it's negative. Will it be effect of emkit and I am worry about pregnancy and delay periods.