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Bangladesh Med Res Counc Bull. 2003 Aug;29(2):59-66.

Risk factors associated with preterm labour.

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Deptt. of Obst. & Gynae., SSMC, Dhaka.


A Prospective case control study was conducted in a tertiary hospital in Northern India to determine the risk factors associated with preterm labour. Ninety four consecutive patients with preterm spontaneous labour were selected as cases and 188 patients with term spontaneous labour as control. The incidence of preterm labour was found to be 23.3%. The cases were older, shorter and lighter than controls. They had lower body mass index (BMI) and mid arm circumference (MAC). They belonged to significantly lower income group and their educational status was lower. Mean pregnancy order was higher and mean parity was lower amongst the cases. Mean birth weight and apgar score of the babies were lower. Maternal weight <45 kg (OR 4.9), height <150 cm (OR 3.4), BMI <19 kg/m2 (OR 2.91), MAC <20 cm (OR 7.78), education <5 year (OR 2.73), income <2000 rupees (OR 5.05) and birth interval <12 months (OR 6.39) were significant risk factors for preterm labour.

[Indexed for MEDLINE]

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