The Nurse in the Post-Delivery Unit Is Encouraging Skin-To-Skin Contact

The nurse in the post-delivery unit is encouraging skin-to-skin contact for a mother and neonate after cesarean delivery. Which action, if noticed by the nurse, requires immediate intervention by the nurse?

A) Mother is sitting up with the neonate prone on her chest.
B) Mother is supine with the neonate prone on her chest.
C) The neonate is prone on mother's chest and facing to the side.
D) Neonate is prone with mother resting in semi-Fowler's position.