Hey My Name Is Ria Back In 2015 I Lost

Hey my Name is ria back in 2015 I lost my baby after her pass in July I had a depo injection in August was to have another in October but I skipped coz of unusual bleeding so 9 months has passed since August an I have been bleeding off an on an having pains in the abdomen area for weeks an even after sex I also have history of an ovarian cyst I had it removed .Please help I'm scared something is wrong an I wan to have another baby .