Changing diapers in flight is obviously a necessity. One question that always comes up is where you change a diaper on a plane. The two main options are in the lavatory of the plane or at your seat.

Cardi B shared how to change a diaper with long acrylic nails — for those who've always been mystified by the practice.

"If you hold the baby by the arm, its arm is going to fall off." When students admit to not knowing how to change a diaper, Contreras emphasizes that they are not alone.