Body Mass Index and Blood Pressure Measurement during Pregnancy

Abstract

Objective. The accurate measurement of blood pressure requires the use of a large cuff in subjects with a high mid-arm circumference (MAC). This prospective study examined the need for a large cuff during pregnancy and its correlation with maternal obesity. Methods. Maternal body mass index (BMI), fat mass, and MAC were measured. Results. Of 179 women studied, 15.6% were obese. With a BMI of level 1 obesity, 44% needed a large cuff and with a BMI of level 2 obesity 100% needed a large cuff. Conclusion. All women booking for antenatal care should have their MAC measured to avoid the overdiagnosis of pregnancy hypertension.

• Gestational hypertension
• Blood pressure measurement
• Mid-arm circumference
• Cuff size
• Maternal obesity