From: Predictive value of prenatal ultrasound parameters for dichorionic growth discordant twins
Parametera | Second-trimester | Early third-trimester | Late third-trimester | ||||||
---|---|---|---|---|---|---|---|---|---|
Growth discordant group(n = 71) | Normal growth group(n = 346) | P | Growth discordant group(n = 71) | Normal growth group(n = 346) | P | Growth discordant group(n = 71) | Normal growth group(n = 346) | P | |
BPD [M (min-max), %] | 5.40 (0.30–13.16) | 3.45 (0.00–10.91) | 0.735 | 7.18 (0.00–17.98) | 3.43 (0.00–12.94) | 0.005 | 5.38 (0.00–11.46) | 3.26 (0.00–12.94) | 0.005 |
HC [M (min-max), %] | 5.82 (0.17–13.48) | 2.48 (0.00–10.45) | 0.008 | 5.16 (0.00–17.97) | 2.88 (0.00–9.28) | 0.043 | 3.64 (0.33–11.29) | 2.56 (0.00–12.57) | 0.040 |
AC [M (min-max), %] | 1.48 (0.00–15.08) | 3.24 (0.00–14.98) | 0.897 | 8.81 (1.26–25.90) | 4.54 (0.00–15.09) | < 0.001 | 4.94 (0.68–26.90) | 3.46 (0.30–20.56) | < 0.001 |
FL [M (min-max), %] | 7.69 (2.03–20.83) | 2.82 (0.00–7.89) | 0.324 | 6.50 (1.61–22.95) | 3.42 (0.00–12.73) | < 0.001 | 4.41 (0.00–14.71) | 2.94 (0.00–12.50) | < 0.001 |
EFW [M (min-max), %] | 11.06 (2.76–29.74) | 10.87 (2.23–26.27) | 0.713 | 21.32 (4.35–57.08) | 12.38 (2.63–29.80) | < 0.001 | 16.75 (1.08–42.73) | 10.56 (1.66–31.33) | < 0.001 |
DVP [M (min-max), %] | 4.66 (0.00–27.50) | 9.04 (0.00–72.97) | 0.562 | 15.21 (2.50–57.53) | 12.98 (0.00–59.52) | 0.735 | 10.00 (0.00–61.36) | 14.08 (0.00–76.09) | 0.183 |