Yes, during the fourth month, an ultrasound can often show clearer images of your baby's developing facial features.
By the fourth month, your baby's eyes, ears, lips, and nose become more defined, and even eyebrows and eyelashes start to grow.
Yes, as the facial features form, the baby's sense of hearing improves, and they may start to react to sounds.
Gender determination through ultrasound usually relies on genital visualization, not facial features, and may be possible during this month or soon after.
The development of facial features is part of overall fetal growth and indicates normal development. It's not just about appearance; it's closely linked with the development of the baby's senses and brain.