My gf usualy has regular cycles, she was suppose to get her period on the 11th of july, we were making out on the 10th, we rubbed genitals, without penetration, or ejaculation (maybe some pre ejaculant fluid), however she is still late in her period, we are panicing, we bough a home pregnancy test on the 18th (1 week after her expected period) which turned out negative, she still have abdominal cramps, breast pain, back pain, which as i read could be symptoms of both early pregnancy or PMS help