 [ Symptoms ] brown spotting only on depo for 2weeks had sex 3days after the shot can i get pregnant [ Disease ] hi i think your find this is one of the side effects of depo shot but if you google depo shot side effects you should find what your looking for but i will tell you something i would never let my daughter take it you could have big troubles ahead when you come off it and want to get pregnant it will be tough good luck