![]() Because there are few studies on diagnostic criteria for diastasis recti, it is difficult to define “normal” and “abnormal” conditions. However, the differentiation between a normal IRD and pathological separation remains controversial ( 12). Ultrasonography is regarded as the most accurate method for measuring the IRD ( 7), and its results are consistent with the data derived from palpation, calipers, and intraoperative measurements ( 9- 11). These measurement methods are relatively convenient but may be inaccurate due to the thickness of subcutaneous fat and relaxation of the abdominal wall ( 7, 8). The inter-rectus distance (IRD) can be measured via clinical palpation or calipers ( 4- 6). The diastasis recti incidence is 27–100% in women in late pregnancy and 30–68% in postpartum women ( 2, 3). The condition is usually caused by abdominal expansion and hormonal changes during pregnancy. Accepted for publication Oct 09, 2020.ĭiastasis recti is are commonly defined as the separation between the 2 sides of the rectus abdominis muscle or simply laxity of the linea alba ( 1). Keywords: Diastasis recti pelvic floor dysfunction (PFD) ultrasonography diagnostic criteria There is no clear correlation between diastasis recti and PFD in early postpartum females. ![]() The IRD was not relative to either the PFD ultrasound results or the clinical symptoms.Ĭonclusions: We established a set of ultrasonographic diagnostic criteria for diastasis recti at 3 locations along the umbilicus. The IRD was positively correlated with body mass index (BMI) in the nulliparous group (r=0.286, P<0.01) and with age in the postpartum group (r=0.230, P<0.05). Results: We established the following ultrasonographic diagnostic criteria for diastasis recti: an IRD of >2 mm at 3 cm below the umbilicus, >20 mm at the umbilicus, and >14 mm at 3 cm above the umbilicus. The correlations of these values with the IRD were then examined. Afterward, the 108 postpartum females underwent an ultrasonographic examination of pelvic floor function. The measurement for the 90th percentile was used to define the normal IRD in the nulliparous group. At the same time, they remained relaxed and then maintained a head-lift posture. Methods: The inter-rectus distance (IRD) was measured at 3 locations in 116 healthy nulliparous females and 108 postpartum females. This study aimed to establish ultrasound diagnostic criteria for diastasis recti and investigate the correlation between it and PFD in early postpartum females. ![]() Policy of Dealing with Allegations of Research Misconductīackground: There has been a long-standing controversy about diastasis recti diagnostic criteria and its relation to pelvic floor dysfunction (PFD).Policy of Screening for Plagiarism Process. ![]()
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