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Table 3 The 2-ΔCt value of genes among groups

From: ART manipulation after controlled ovarian stimulation may not increase the risk of abnormal expression and DNA methylation at some CpG sites of H19,IGF2 and SNRPN in foetuses: a pilot study

Value of 2-ΔCt

Group 1 (n = 3)

Group 2 (n = 3)

Group 3 (n = 3)

Group 4 (n = 3)

Group 5 (n = 3)

Group 6 (n = 3)

H19

1.06 ± 0.15

1.31 ± 0.20

1.62 ± 0.94

1.22 ± 0.58

1.29 ± 0.61

1.36 ± 0.07

IGF2

0.59 ± 0.01

0.46 ± 0.14

0.81 ± 0.56

0.58 ± 0.18

0.47 ± 0.23

0.65 ± 0.14

SNRPN

0.13 ± 0.01

0.11 ± 0.03

0.16 ± 0.03

0.14 ± 0.01

0.14 ± 0.04

0.12 ± 0.02

  1. Group 1: multifoetal reduction after IVF fresh transferred D3 embryos (n = 3); Group 2: multifoetal reduction after IVF frozen transferred D3 embryos (n = 3); Group 3: multifoetal reduction after IVF frozen transferred D5 embryos (n = 3); Group 4: multifoetal reduction after ICSI fresh transferred D3 embryos (n = 3); Group 5: multifoetal reduction after ICSI frozen transferred D3 embryos (n = 3); Group 6: multifoetal reduction after controlled ovarian stimulation (COS) (n = 3)