Pregnancy test

Hi mummy's 21 august buat test clearblue show 2-3 weeks. As new mum 24 august buat scan doctor ckp tak nampak ape2 but after deep search tell have something lekat but to small maybe to early to scan and ask come back after 2week is normal ke. This is our 1st baby. That's y we nervous. Hitam kecil itu doctor say someting have and to early to confirm.