This couple are so incredibly selfish and are clearly taking advantage of her mother's generosity. These people need to take a really close look at themselves and how they treat other people.
The massive red flag here is the fact that the mother even tells her daughter that she would prefer that the husband drive her to the appointment instead.
On the behalf of men, I apologize for how lazy and entitled some of us can be. Bro, you knocked your wife up so just go on and drive her to the bloody appointments. It's really the least you can do.
As some commenters have mentioned. It's a little concerning that the wife was hesitant to ask the husband in the first place.These terrible "adult children" remind me of this dickhead: Son Can't Afford Rent, Moves Back In With Parents, Dad Sets Rules, Son Flips Out