Cited studies did not show relation between maternal anxiety and birth weight

EDITOR—Teixeira et al1 state that “some studies have shown that babies of stressed or anxious mothers have a significantly lower than average birth weight for gestational age and tend to be born early” and then reference four papers, one of which is mine.2 The St George's birthweight study was a large prospective study of pregnant women which measured anxiety and depression throughout pregnancy. We found no association …