Low bih - weight babies are at a higher risk of dying in the first week because -
Congenital anomaly, bih injury and infections
Bih injury, convulsions and asphyxia
Convulsions, congenital anomaly and hypothermia
Hypothermia, asphyxia and infections
The foetal causes of low bih weights are foetal abnormalities,intauterine infections,bih injury etc.REF.PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICINE.Editon-21.Page no.-494
obstetrics,pediatrics and geriatrics