Snoring onset in pregnancy a clue to raised risk of pre-eclampsia

US researchers recruited more than 1700 women in the third trimester and screened them for the presence and duration of habitual snoring and hypertensive disorders.

Twenty-five per cent had pregnancy-onset snoring and they were found to be 1.5 times more likely to experience gestational hypertension and 59% more likely to have pre-eclampsia.

The authors suggested pregnancy-onset snoring was associated with increased erythropoiesis, which occurs in conditions such as uterine growth