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Table 1 Changes in basic anthropometric parameters during pregnancy and 24-28 months after delivery (n = 60)

From: Persistence of back pain symptoms after pregnancy and bone mineral density changes as measured by quantitative ultrasound - a two year longitudinal follow up study

  Early Pregnancy
(< 20 weeks) (SD)
Late Third Trimester
(36-38 weeks) (SD)
Two years post delivery (SD) P-value by ANOVA
Weight (kg) 56 (7.38) 65.5 (7.67) 59.3 (7.43) < 0.001
Body Mass Index (kg/cm2) 22.7 (2.84) 26.6 (2.79) 24.1 (2.91) < 0.001
Body Fat Composition (%) 29.4 (4.75) 37.3 (4.52) 32 (4.93) < 0.001
Mean os calcis BMD (g/cm2) 0.638 (0.13) 0.601 (0.116) 0.616 (0.123) < 0.001
  1. SD = standard deviation