Baby weighs 2lb 13!

Aj
I had a scan yes today at 28 +4days to check on my pleacenta an size of baby, I still have a low liein pleacenta so mite end up having C section if it doesn't move, they said my little boy weights around 2lb 13, with I think sounds a lot for 28 week doctor said it's normal, any1 els knw how much they baby is weightin at Minit, I only hav a small bump aswell,