i have been on depo lupron for a year and then went strait into depo provera for the last 3 year, so 4 years of strait injection of birthcontrol, i have always gone the day that i am able to get my shot, i know you have 2 week span to get it in but i get it asap. i have had no periods at all for the last 4 years. its to control my endometriosus last night during intercourse the condom broke, right at the end of intercourse. what are my chances of getting pregnent since i have been on the depo provera for a long time?