Waalaikumassalam sis, memang depo boleh kacau cycle dan hormone lah, tapi dengan sakit sharp macam pisau kat perut atas + nose bleeding berkali-kali + headache berdenyut tu, I think better you follow doctor's advice and go back if tak improve dalam seminggu, or actually, I'd push for the ultrasound sooner rather than tunggu lagi, just to rule out cyst atau anything else, sebab kawan I pernah kena ovarian cyst and the sharp pain tu memang similar. Untuk check rahim, most KK clinics boleh refer you straight untuk ultrasound (not just pap smear), so you can ask specifically untuk scan perut/pelvis when you go back, you don't necessarily kena jumpa pakar dulu if KK doctor rasa perlu imaging. Better safe than sorry, terutama baru bersalin and pada depo, hormones betul-betul boleh jadi complicated. Take care sis!