I had my last depo shot feb 22 2012 after only having 3 shots I got my period may4th for 7 days and had my period again June 4 th for 7 days a week and half after stopping my period I spotted for few days and I have had constipation for a few days now and my breast are swollen and very sore especially under my armpit my nipples have been so sore I can't even touch them or hardly weara bra it July 4 th n I haven't started my period I have unprotected sex almost every day with my husband is it to soon after depo to be pregnant or is there a good possibility that I am??