Got my 3rd depo-provera last week and had sex day after. now feeling cramping and abdominal pain. would you say it's an effect of depo-provera or pregnancy?

Cramping after depo: More likely Depo-Provera or UTI, a bit early to get cramping from pregnancy, would just be around the time of implantation if you ovulated last week. But with cramping would go to urgent care /doctor and get checked with U/A , HCG may need antibiotics for UTI or vaginiitis like mycoplasma/ureoplasma, if all negative may be the hormonal changes of depo. if the pain persists and U/A negative need sono