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Table 1 The general data of the study population

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

Variable IVF group
(n = 39)
SP group
(n = 371)
P-value
Age (years) 32.03 ± 4.12 29.35 ± 4.37 0.000*
HR (bpm) 145.75 ± 9.15 149.10 ± 9.16 0.030*
GA (weeks) 29.59 ± 4.73 30.13 ± 5.41 0.549
BPD (mm) 74.28 ± 13.78 75.32 ± 13.90 0.658
HC (mm) 270.95 ± 44.10 273.64 ± 47.33 0.734
AC (mm) 254.97 ± 49.97 259.65 ± 56.49 0.620
FL (mm) 55.90 ± 10.40 56.84 ± 12.25 0.642
HL (mm) 50.10 ± 8.34 50.69 ± 9.88 0.721
  1. GA Gestational age, HR Heart rate, BPD Biparietal diameter, HC Head circumference, AC Abdominal circumference, FL Foot length, HL Hand length
  2. *P < 0.05, significantly different from the control group