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Table 1 Clinical characteristics of patients who received a site-specific endometrium injury during the final IVF cycle

From: Site-specific endometrial injury improves implantation and pregnancy in patients with repeated implantation failures

Characteristics The IVF cycle with a biopsy Previous failed cyclesa pvalueb
Length of stimulation (day) 8.7 ± 1.0 9.9 ± 1.3 0.11
Total units of gonadotropin administered 1570 ± 377 1893 ± 270 0.10
Endometrium thickness on the day of hCG administration (mm) 10.3 ± 2.0 8.7 ± 2.2 0.26
E2 levels on the day of hCG administration (pg/mL) 1623 ± 550 1825 ± 879 0.64
Number of oocytes retrieved 11.3 ± 2.9 7.1 ± 3.1 0.03
Fertilization rate (%) 59 ± 29 49 ± 18 0.52
Number of embryos transferred 2.7 ± 1.2 2.3 ± 1.1 0.91
Implantation rate (sac number/transferred embryo number) 56% 0  
Pregnancy rate (clinical pregnancy/per ET) 100% 0  
  1. aMeasurements are the mean of parameters recorded in previous failed cycles
  2. bStudent's t -test of comparisons between the ongoing and prior IVF cycles