BJOG : an international journal of obstetrics and gynaecology
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Randomized Controlled Trial Multicenter Study
The Control of Hypertension In Pregnancy Study pilot trial.
To determine whether 'less tight' (versus 'tight') control of nonsevere hypertension results in a difference in diastolic blood pressure (dBP) between groups. ⋯ The CHIPS pilot trial confirms the feasibility and importance of a large definitive trial to determine the effects of less tight control on serious perinatal and maternal complications.
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To investigate the cause of a recent increase in hysterectomies for postpartum haemorrhage in Canada. ⋯ There has been a recent, unexplained increase in the frequency, and possibly the severity, of atonic postpartum haemorrhage in Canada.
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To describe a 10-year trend in preterm birth. ⋯ Over the 10-year period of 1994-03, the rate of spontaneous preterm birth among low-risk women having a live singleton birth has risen in Australia.