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Table 1 Cardiac myocyte morphology and heart mass in nonpregnant, late-pregnant, and postpartum rats

From: Passive mechanical properties of cardiac tissues in heart hypertrophy during pregnancy

  Experimental groups
NP LP PP
Myocyte total area (µm2)
 RV 2,461.1 ± 50.10 3,050.8 ± 40.50* 2,741.2 ± 57.60
 LV 2,484.3 ± 40.10 2,831.9 ± 38.70* 2,683.8 ± 47.90
Myocyte length (µm)
 RV 110.1 ± 1.00 133.4 ± 0.90* 121.2 ± 0.90
 LV 102.2 ± 0.80 114.9 ± 1.10* 108.5 ± 1.10
Heart mass (mg)/body weight (g) 3.69 ± 0.05 4.34 ± 0.10* 3.47 ± 0.09
  1. RV Right ventricle, LV left ventricle, NP nonpregnant, LP late-pregnant, PP postpartum
  2. * P < 0.05