Hey Me and my fiance have been trying to have a baby for 6 months now but no luck my periods have been off but nothing to be concerned about until 11/6/17 I had sudden heavy bleeding with one big blood clot prior to this happening my period was irregular it was seven days started (02/6/17) to (08/6/17) but after sex the 9th day I started bleeding and 10th day it started again for a day and then stopped for the night on the 11 th about an hour after us having sex I started bleeding it's been three days now and I've been having cramping the 12th I had cramping for 6 hours straight with dizziness then on the 13th I had cramping on and off through out the day with a aching feeling in my right breast and today i had used the washroom and wiped a pin sized blood clot could I be pregnant ?