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Table 2 Fetal cardiac function parameters

From: Evaluation of right myocardial performance index of in vitro fertilization fetuses and spontaneous pregnancy fetuses: a cross-sectional study

Variable IVF fetuses
(n = 39)
SP fetuses
(n = 371)
P-value
TST (ms) 242.92 ± 13.73 248.06 ± 15.64 0.053
ICT (ms) 28.36 ± 10.27 30.98 ± 9.99 0.120
IRT (ms) 44.08 ± 10.12 44.23 ± 10.02 0.926
ET (ms) 169.97 ± 10.12 172.86 ± 11.43 0.133
RMPI 0.42 ± 0.05 0.43 ± 0.05 0.891
TV-E/A 0.75 ± 0.22 0.74 ± 0.15 0.611
  1. TST Total spent time, ICT Isovolumetric contraction time, IRT Isovolumetric relaxation time, ET Ejection time, RMPI Right myocardial performance index, TV-E/A Ratios of E wave/ A wave peak velocities (TV-E/A) of tricuspid valve