Random question for parents

Heather 👦👼🌈👦 • 🧒7/2016 👼4/2020 👦3/2021
Newborn clothes say they fit to 7 pounds, in your experience did they fit your babies longer? Also if my baby is big when he's born will he likely not fit in them? My chunk is probably gonna be pretty big (he's already nearly 4 pounds at 29 weeks) so that's why I'm asking. Thanks in advance!