What can be done to protect a pregnant wife and her fetus from the nightmares and fears that haunt her in dreams?

We advise the wife to observe the prescribed etiquettes of sleep: to sleep in a state of purity (tahara), to recite the prescribed supplications before sleeping, and to strive in the remembrance of Allah and supplicate to Him so that He may ward off disturbing dreams from her. If she sees something she dislikes, let her seek refuge with Allah from Satan, spit lightly to her left three times, turn over from her side, and not narrate what she saw to anyone, for that will not harm her, Allah willing.