Negative pregnancy test, and somewhat of a period...can i still be pregnant.?

[Kayla]

First off, let me start by saying i have a 8 month old so i know what it feels like to be pregnant....ok. today is august 30. my june period...which normally comes around the 18, 19, 20....came around the 30. so i was late. july period...well it never came. august period. maybe you would call this a period. but i normally bleed HEAVy for 5-7 days. im talking about super plus and bleed thru within 4 to 5 hours. well this is nowhere near that..and its almost gone after 2 1/2 days. hmm. i have taken numerous HPT...all negative. i even got a blood test done 3 days ago...negative. but i can almost SWEAR that i feel like flutters like. i kno technically i shouildnt be that far along..esp with neg result. but i promise. i also have had more and more headaches lately, i have lost my appeite and i am VERY thirsty...and was i with my first pregnancy. im tired alot, my lower left side on my back is killing me. also with my last pregnancy i had to go to the ER when i was 19 weeks because my back hurt so bad...close to the same spot. i feel pregnant. but i have gotten neg. test and i guess a period. i just want to kno whats going on. my body feels different. has anyone experienced a pregnancy or know someone that has...like this before. .. i have googled and googled and alot of women dont test positive until they are like 5 months...i just want some advice, opinions, and stories of anyone thats been in the same boat and actually turned out to be pregnant. thanks bunches everyone.