Normal width of the inter-recti distance in pregnant and postpartum primiparous women (original) (raw)

Musculoskeletal science & practice, 2018

Abstract

Longitudinal descriptive exploratory study. Evaluate the normal width of the linea alba in first-time pregnant women during pregnancy and postpartum. There are normative values on the width of the linea alba for nulliparous women, but limited knowledge about the normal width of the inter-rectus distance (IRD) in pregnant and postpartum women. Ultrasound images were recorded in 84 primiparous women, at 3 locations on the linea alba (2 cm below the umbilicus, and 2 and 5 cm above the umbilicus) and at 4 time points (gestational weeks 35-41 and 6th to 8th, 12th to 14th, and 24th to 26th weeks postpartum). The 20th and 80th percentiles were used to define the normal width of the linea alba. During pregnancy, the 20th and the 80percentile corresponded to 49-79 mm below the umbilicus, 54-86 mm at 2 cm above the umbilicus and 44-79 mm at 5 cm above the umbilicus. At 6 months postpartum, the 20th and the 80percentile corresponded to 9-21 mm at 2 cm below the umbilicus, from 17 to 28 mm at 2...

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