implantation bleeding?

my periods r exactly 6 days away and that means im exactly 6 to 7dpo since morning i had slight cramps in my stomach i had morning sickness too and this evening when i thot to check my CM it was creamy n watery too at the same time thr i saw pink and brown discharge....could this b implantion bleeding.......have anyone else before had this symtpom and got pregnant the same cycle please respond i still have some cramps here n there and feeling too lazy