Nighttime can be a scary for young children, especially if they have trouble seeing in the dark. Night blindness, also known as nyctalopia, is caused by retinal cells in the eye not functioning properly, a problem that can occur in children for a number of reasons. If your child is excessively afraid of the dark, talk to his pediatrician about the possibility of night blindness and acquaint yourself with the problem’s possible causes and treatments.

Not too long ago, the only way eager parents-to-be could get a glimpse of Junior before he made his big appearance was in one — or, if you were lucky, two — routine pregnancy ultrasounds. To the untrained eye of most parents, these ultrasound images are barely recognizable as being those of a child. Enter the 3D pregnancy ultrasound: an ultrasound method that provides a fully dimensional view of babies still in the womb. Before having a 3D ultrasound performed, however, understand that they are not designed to be medically diagnostic and are not recommended by any major medical association.