Still confused 😂 my 9 week baby..

Nicole • Mummy of 3💙💙💗 #4 due October💗
People have said this is big for 9 weeks? It was definitely 9 weeks because the tech said it's what the baby is measuring at. I'm now 11w1d but I'm still confused about this, it doesn't look too big for 9 weeks to me.