Hi Ladies, I probably sound really stupid but im such a worrier, im 36+5 and have started to panic my dates are wrong. Is it possible to be 5 weeks out?? My date matches exactly to when i had unprotected sex with a new partner but 5 weeks before was the last time i had intercourse with a previous partner ( I Know it sounds awful). All my pregnancy has matched to the dates i have, im just a worrier. Im measuring a week behind also and im sure if my dates were wrong id measure in front, i just need reassuring 