Period was 3days late...???i need some opinions PLZ!!!!?

[Scarlett J]

On wedesday i started 2 notice a small amount of blood(it was pinkish)i did start 2 have minor cramps but they only lasted 4 12hours into tha bleeding...(i been having mild cramps off and on since the 2nd week of july...they're completly gone now which is VERY unusal..being that the only word that cums out my mouth during this time is "MIDOL"!!!!The blood is only apperent when i wipe,,NORMAL AF:5-6 days...on the 2nd day i always flow like a river(sorry tmi)this is more like my last day would b...........Is it implantation??btw i'm not ttc...Also does implant. bleedn. smell different???...4 some reason it doesn't smell like AF(you know, the "SMELL")...werid...ne help wil be nice,,thank u..and yes i took a hpt but it was negative..(my sis didn't show postive til 6wks)And no i havn't went 2 the doc yet,i have 2 wait til next week..so ne help for now while i'm waitin is greatly appreciated
i am havn some pregnancy systoms as well...mainly throwing up wheneva i eat...sharp pains in boobs and up under my armpits..never had this pain with af,,i'm 20 yrs old
the last time i had sex was june 27,28..july3,4,6,7
oh and stress doesn't throw my cycle off..i guess bo 2 women are the same..i know this bcuz i done had my period 4 9years now..and i never been on birth control r the shot..