Eh, tu yang depa panggil subchorionic hematoma or extra gestational sac, memang boleh jadi tu yang kamu nampak! A few of my mum friends pun ada sama, terutama pada anak ke-2 atau ke-3 kali. Doctor kata bukan apa-apa sebab memang ni common je, tapi kalau kamu rasa uneasy, bagus juga follow-up scan lagi kat 12 minggu or 20 minggu to see if it resolves on its own (kebanyakan times it does disappear). Since doctor dah check and reassured you, I think ok la, but if it's really bugging your mind, boleh juga tanya doctor lagi for extra peace of mind, sometimes hearing it the second time makes us feel better!