i had sex b-4 my period on the 14th, havnt got period yet, my nipples got bigger and as for the area around them, got alot of huge bumps, montgomery glands, around them, it is a glossy look around the nipple, and my boobs are kinda sore. i have a feeling i MIGHT be pregnant but can i tell within 2 weeks of conceiving with a home pregnancy test? btw period usually comes around the 19-20th