I've taken 2 pregnancy tests and have gotten negative results both times. My period was due on July 20th if I go by my longest cycle(28 days) But the last year it's been 24-26 days. I've never been more then 4 days late and have no signs of pregnancy or period. I'm 38 and have never been pregnant. I'v e had an IVF 2 years ago, but never had a pregnancy....any help? I sure hope I am.