Physician performing a physical exam on a newborn baby after a Caesarean section.<unk>  is a subspecialty of pediatrics that consists of the medical care of newborn infants, especially the ill or premature newborn. It is a hospital-based specialty, and is usually practised in neonatal intensive care units (NICUs). The principal patients of<unk> sts are newborn infants who are ill or require special medical care due to prematurity, low birth weight, intrauterine growth restriction, congenital malformations (birth defects), sepsis, pulmonary hypoplasia or birth asphyxia.
Neonatology
Obstetrics
Teratology
Hematology
Haematologica
Maternal–fetal medicine
Thanatology
Cardiology