Suggestive of rpoc. Rpoc pass naturally?

I had done mtp a little over 2 weeks back and got my usg done after 2weeks. Usg shows that the uterus is normal in size and position. Uterus measures 76×39×41mm in size. Collection (2-3cc) noted in the fundal endocavity showing low resistance flow on Doppler scan. Myometrium is homogenous. Cervix appears normal. Both the ovaries appear normal in size and echo anatomy. No evidence of free fluid is seen in the pelvic cavity. Impression shows suggestive of rpoc. After my usg my doc suggested me take 2 tabs misoprost and another 2 tabs of mispoprost after 24 hrs. I have taken all 4 tabs but I only bled a little and passed a very small tissue. Is there anything to be worried. Please guide me on what to do next. should i wait for my period to come or will the rpoc pass naturally?