My period just started back on the 10th of August I ant have one in 9 months due to me being on depo shot I bleed for 4 days then I stopped now I just keeping coming on and then going back off and it's been happening since the 10th what can I do to get my period back 0n track were they come once a month cuz I'm trying to get pregnant and can't do nothing cuz I start to bleed I need help