ok my last period was the 22nd of june. me and my fiancee are ttc so we had unprotected sex the whole week of when i was ovulating, with no condom or bc. then in july i completely missed my period(which has never happened before) then i was supppose to start aug. 17th i started spotting on the 16th really late at night then on the 17th it was very very light and by saturday the 18th it was completely done. now on the 19th im spotting but not much. i have been nauseous on and off for the past month. just this past week i have been SO SO HUNGRY i will eat then half hour later im starving again. my boobs r a llittle tender and i think my areolas are turning a light brown color instead of pink like they usually are. ive had cramps in my lower abdomen for past couple weeks also, but hpts are all coming up negative? i want be pregnant, please, any help would be much appreciated!