Abstract
Arguably, the most significant advance is that most professionals and parents consider the fetus as a separate individual and a potential patient in his or her own right. Indeed, once the fetus is recognised to be at risk the perinatal outcome is better than in an apparently low risk pregnancy.1 Antepartum “unexplained” fetal death is by far the commonest cause of death between 20 weeks' gestation and the age of one year, comprising nearly 40% of deaths in this period.2 The main challenge in pregnancy care is to improve fetal surveillance in low risk pregnancies so that potentially compromised fetuses can be identified.

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