Happy New Year!
If you time it right you may not need to pump and dump.
What’s in your blood is what’s in your milk and average alcohol metabolism is 2-4 hours.
So if you nurse, then have a glass of champagne and wait at least a few hours, you may be ok to nurse again by the next time your little one is ready.
If you’re feeling neurologically normal (sober) you’re probably ok to nurse.