The bones that form the skull overlap, which allows the head to become compressed for delivery. Some swelling and bruising of the scalp is typical. Pressure during a vaginal delivery may bruise the face . In addition, compression through the birth canal may make the face initially appear asymmetrical. Asymmetry of the face sometimes results when one of the nerves supplying the face muscles is damaged during delivery.
Recovery is gradual over the next few weeks.
The doctor listens to the heart and lungs through a stethoscope to detect any abnormality. A newborn's skin color and general condition may also indicate that a problem exists. The strength of the pulse at the groin is checked. The doctor looks for any abnormalities of the nerves and tests the baby's reflexes. A newborn's most important reflexes are the Moro, rooting, and sucking reflexes.