Perinatal Medicine is a relatively new specialty, sited between the mechanistic approach of traditional obstetrics and the anticipatory and preventative out look expressed in the study of fetal growth which extends into monitoring neo natal progress and development. It is of primary importance that obstetricians and neonatologists should think alike and should not allow their interests to develop along separate lines. Frequent clinical consultations with neonat ologists cooperating in prenatal care and obstetricians visiting the special nur sery on a regular basis are essential if every fetus...