RESPIRATORY SINUS ARRHYTHMIA AND THE VAGUS

A 1985 study of 337 womeni with a previous stillbirth demonstrated a favourable outcome in the index pregnancy, even without specific treatment. Patients with a previous stillbirth did not have a higher incidence of IUGR or perinatal deaths than did the general population. The incidence of perinatal loss, birthweight less than 2500 g, and toxaemia of pregnancy was not significantly different in a group of women with previous spontaneous abortion from that in a group of normal primigravida in another study.2 Perhaps Beaufils’ untreated patients, despite randomisation, had