Table 2 Pre-pregnancy cardiac magnetic resonance imaging

RV mass index (g/m²)

30.5 ± 7.4

RV end-diastolic volume index (ml/m²)

119.0 ± 32.5

RV end-systolic volume index (ml/m²)

61.9 ± 23.0

RV cardiac output (L/min)

4.7 ± 0.9

RV ejection fraction (%)

49.0 ± 7.7

RV dysfunction (EF < 45%)

9 (29.0%)

RV/LV volume ratio

1.5 ± 0.6

LV mass index (g/m²)

42.2 ± 11.1

LV end-diastolic volume index (ml/m²)

79.6 ± 18.1

LV end-systolic volume index (ml/m²)

34.1 ± 11.7

LV cardiac output (L/min)

4.8 ± 0.8

LV ejection fraction (%)

57.8 ± 5.9

LV dysfunction (EF < 50%)

2 (6.5)

Pulmonary regurgitation fraction (%)

24.7 ± 19.3