Evidence map›Paper›PMID 40442641›Full record

ArticleBMC pregnancy and childbirth2025

Associations with the inter-recti distance at gestation week 37: a prospective cohort study among healthy pregnant women.

Nina-Margrethe Theodorsen, Rolf Moe-Nilssen, Kari Bø, Inger Haukenes

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Article in BMC pregnancy and childbirth, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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2 · The registry

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

4 authors.

Nina-Margrethe TheodorsenDepartment of Global Public Health and Primary Care, University of Bergen, PO. Box 7804, Bergen, NO-5020, Norway. nina-margrethe.theodorsen@uib.no.
Rolf Moe-NilssenDepartment of Global Public Health and Primary Care, University of Bergen, PO. Box 7804, Bergen, NO-5020, Norway.
Kari BøDepartment of Sports Medicine, Norwegian School of Sport Sciences, PO. Box 4014, Ullevål stadion, Oslo, 0806, Norway.
Inger HaukenesDepartment of Global Public Health and Primary Care, University of Bergen, PO. Box 7804, Bergen, NO-5020, Norway.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundDuring pregnancy the inter-recti distance (IRD) increases. There is, however, limited knowledge of what factors may contribute to this increase.

objectiveTo investigate associations between sociodemographic characteristics, co-existing health conditions and pregnancy related factors in pregnant women before gestation week 20, and IRD at gestation week 37.

methodsOne hundred and twenty pregnant women provided baseline information on sociodemographic characteristics, co-existing health conditions, and pregnancy-related factors. Baseline IRD (gestation week 16-19) and IRD at gestation week 37 (outcome) were measured with ultrasound 2 cm above the umbilicus. Associations between baseline variables and IRD at gestation week 37 were investigated with bivariable regression analyses, and only variables statistically significantly associated with outcome were included in a multivariable linear regression analysis. The level of significance was set at 0.05.

resultsBivariable associations between baseline variables and IRD at gestation week 37 were statistically significant for BMI, waist circumference, parity, stretch marks (striae), varicose veins and IRD. In the final multivariable linear regression analysis only baseline IRD was significantly associated with IRD at gestation week 37 (B = 0.8, SE = 0.1, 95% CI = 0.6-1.0, P-value < 0.001, R

conclusionNo sociodemographic characteristics, co-existing health conditions or other significant related factors present before gestation week 20 other than baseline IRD was significantly associated with IRD at gestation week 37, with the clinical implication that for each 1 mm increase in baseline IRD, there was an average increase of 0.8 mm in IRD at gestation week 37. Approximately 38% of the variance in IRD at gestation week 37 is explained by baseline IRD and other included variables.

Indexed as

Abdominal MusclesAdultBody Mass IndexFemaleGestational AgeHumansLinear ModelsParityPregnancyPregnancy Trimester, ThirdProspective StudiesUltrasonography, PrenatalVaricose VeinsWaist CircumferenceYoung AdultDiastasis recti abdominisInter-recti distancePregnancyUltrasonography

Identifiers

PMID40442641
PMCPMC12123851

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.