Does this mean baby is growing good?

Sam • Momma to 2 girls Brooklyn 2/20/16 💜 London 7/10/17 💜 Rainbow baby due October 8th 2021 🌈💗😭 Angel babies 5/2020 & 1/2015👼🏻👼🏻

My hcg doubled after 48hours. Does that mean everything is going good?