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Table 4 Clinical characters and pregnancy outcomes of patients with < 8 mm or ≥ 8 mm endometrial thickness in subsequent embryo transfer cycle following surgical evacuation

From: Influence of surgical evacuation on pregnancy outcomes of subsequent embryo transfer cycle following miscarriage in an initial IVF cycle: a retrospective cohort study

 < 8 mm≥ 8 mmP value
Number23472 
Age (year)31.6 ± 4.132.0 ± 4.80.52
BMI (kg/m2)22.5 ± 2.822.7 ± 3.30.80
AFC (n)14.7 ± 6.014.4 ± 5.70.58
Baseline FSH (IU/L)7.1 ± 1.87.4 ± 2.40.57
Baseline LH (IU/L)5.6 ± 4.34.9 ± 8.80.72
E2 on HCG day (pg/mL)5405.9 ± 2483.94745.5 ± 2651.40.24
P on HCG day (ng/mL)1.4 ± 0.91.0 ± 0.80.02
Endometrial thickness in first cycle (mm)8.3 ± 1.010.1 ± 1.9< 0.001
Endometrial thickness in second cycle (mm)6.7 ± 0.39.3 ± 1.4< 0.001
Endometrial thickness change (mm)1.5 ± 1.00.8 ± 1.8< 0.001
Gestational age of miscarriage (week)9.5 ± 1.59.3 ± 2.30.65
Interval time between two cycles (day)473.3 ± 228.5377.4 ± 193.70.02
Times of cycle cancellation in second cycle (n)1.1 ± 1.40.3 ± 0.6< 0.001
Number of top quality embryos in second cycle (n)1.4 ± 0.81.1 ± 0.80.06
Number of embryos transferred in second cycle (n)1.9 ± 0.31.8 ± 0.40.14
Implantation rate in second cycle (%)27.9 (12/43)42.0 (348/829)0.07
Clinical pregnancy rate in second cycle (%)39.1 (9/23)55.7 (263/472)0.11
Live birth rate in second cycle (%)17.4 (4/23)43.0 (203/472)0.02
Miscarriage rate in second cycle (%)44.4 (4/9)16.4 (43/263)0.08