I was suppose to get my period 2 days ago ( im also trying to convince ) and my breasts have been really sore, well i didnt get my period and i took a pregnancy test and it came out with a very faint positive , well today i went to the bathroom and felt a plop and this was there, there was a little blood when i wiped ( still kinda is but its very light and pink) but no blood on the pad i put on & no blood in my urine ?? what could this be ????? please help