ok im very worried here and dont know what is wrong, first i have to say two weeks ago i started cramping, lower back pains, swollen legs and feet, naucea, very thirsty, very tired, i had this for a week till i said i need to go to er because i had chest pains added onto this...i went to er, they said my urine was good they checked it for bladder problems, vaginal infections, kiddnies, and pregnancy. tests cam eback normal, neg preg test. i was five days late and got my cycle, but my cycle was weird and wasnt normal, it was pinkish red and usally i have heavy flow on first day, but i was spotting, this was on a friday, then saturday i was heavy, but then it went to meduim then spotting, sunday i was meduim then heavy, then back to spotting, then it left i had nothing sunday all night, then monday i had pinkish reddish spotting, tuesday i had spotting but it was brown, then later turesday i had nothing and it left...i havent been bleeding ever since last tuesday. but i have had lower back pains, naucea, mild cramping, hot flashes, cravings, and i have felt pressure on my lower abdomin, felt fluttering couple of times, i have taken two home preg tests they were neg and i took a urine and blood test and theycame out negetive...lately all i have had is lowewr back pain..its bearable, cramping...very mild...hotflashes on and off....and lower presure on abdomin. ive had this for a week now on and off with naucea and slite headaches...what is wrong with me? and i know this is pregnancy i know my body, but why isnt it showing on tests, oh i also have been having pains in my groin area but not bad pains, and it feels like my vaginal region is stretching.