Can you bleed for 2 days and be pregnant? !

Recently my ex and I hooked up for a week of funfilled thirsty sex.... well  I just decided to google when I ovulate, because we were together for years, but never had children.  Well guess what?  That week was ovulation week.  The chart states that I ovulated 11/3- 11/7. With my most fertile days the 5 and 6th.  Well we made love ffom 11/2-11/7.  We have been seperated 2 months. About a week after I got kinda itchy... with a white/tan discharge. No odor.  I figured yeast infection maybe. It passed after two days and every thing was normal.   Well I usually have a standard 28-29 day cycle.  You can set a clock by it   Anyway. I felt a sharp pain one day... not sure exactly when. On 11/16 I had some pink spotting. The next day I had mild cramping and light bleeding.  By that night I felt like I was on my period. It slowed down as I slept, but was still flowing Sat morning. It wasn't as heavy as normally.  By that night it had come to a abrupt stop. I usually have severe cramping and bleeding for the first 2-3 days.  Then it will continue but lighter but without any cramping.  Day 5 it is going going gone.  But this time it was for less than 48 hours, by 11/18 there wasn't a spot. I wasn't due to  have my cycle until 11/23.  It's 11/25 and no sign of a encore.. I have been trying not to get my hopes up.  I even took a test the other day and it said negative.  My friend says its too early to tell.  I have some muscle soreness, fatigue, irritabiltiy,  slight pains in my abdomen. I have had insomnia and just been really lazy lately too.  bbs aren't sore but I did have bleeding gums about 2 weeks ago... my gums were itching like crazy!  What do yall think?  Ive got one more text to take, but I just want to wait a min so I won't waste them.  

Do you think that was implantation bleeding or an early period? 

Was it a miscarriage?  I keep reading posts about heavy implantation bleeding and I am just tryinfg to compare.