So my last period was april 6th and ended April 12 my fertility days were april 15 and I started ovulation April 20th me and my partner had unprotected sex April 19th. I was supposed to get my period May 4th and again on June 1st but I haven't I've taken two pregnancy tests the way they were supposed to and they came out negative are they accurate? I've also been getting symptoms just as headaches nausea etc. Can someone answer me?