I had protected sex with a guy on July 11th , had my period and took a pregnancy test and it was negative. I had sex again with a different guy after in July and August unprotected. In August I got my period and took a test and it was negative. I found out I was pregnant last week. And according to the <a href="https://play.google.com/store/apps/details?id=com.glow.android.nurture">due date calculator</a> I'm almost 5 weeks pregnant. And my due date is in May.