Fun fact. My son was legally a girl for two days when he was born.
My wife and I had been awake for > 24 hours when he was finally out. His birth was an emergency C-section, that went badly enough the consultant surgeon rushed into the room to help, not in scrubs. To say I was a mentally a mess afterwards is an understatement.
Mum and baby were OK in the end though, after both stayed in hospital for a week on antibiotics.
So during that, while they were stitching my wife back together one of the nurses hands me some paper work "Please check this is all correct"
Now keep in mind I am absolutely fucked at this point. Most of my memories from this hour are a jumbled mess even now.
I look at the paper work and it seems fine, his weight is correct, the date is today as far as I remember, great "yeah it looks good"
What I missed was the F in the gender column.