[krallja]

> once they're big enough to hold their heads up

I don’t think this happens before mom and baby are discharged from the hospital, so it is not relevant to the discussion.

[stephencanon]

Clearly I was taking a longer term view of the phrase "after that happens".

That said: my wife and her mother _did_ ride home on the back of her father's bicycle after she was born (in 1980s China).