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Table 1 Patient and cycle characteristics by pregnancy outcome

From: Endometrial thickness, Caucasian ethnicity, and age predict clinical pregnancy following fresh blastocyst embryo transfer: a retrospective cohort

Characteristic Clinical Pregnancy Negative Pregnancy P-Value
Age (years)a 32.4 ± 3.5 34.1 ± 4.1 0.019*
BMI (kg/m2)b 24.7 ± 4.2 25.7 ± 5.2 0.573
FSH (mIU/mL)b 6.7 ± 2.3 7.1 ± 1.9 0.167
Peak E2 (pg/mL)a, c 3146.9 ± 1255.9 3498.2 ± 1267.0 0.142
Number of Eggs Retrieveda 18.4 ± 6.9 20.4 ± 7.2 0.120
Number of Mature Eggsb 15.8 ± 6.5 17.3 ± 6.4 0.176
Number of Eggs Fertilizedb 11.9 ± 4.6 12.9 ± 4.6 0.199
Number of Day 2 Embryosb 11.9 ± 4.3 12.2 ± 4.1 0.573
Number of Day 3 Embryosb 10.4 ± 3.8 10.7 ± 3.5 0.608
Number of Blastocystsb 6.6 ± 3.3 5.9 ± 2.8 0.435
Endometrial Stripe (mm)b 11.2 ± 3.1 10.1 ± 2.6 0.022*
Number of Blastocysts Transferredb 2.0 ± 0.6 2.2 ± 0.7 0.349
Number of Blastocysts Cryopreservedb 2.3 ± 2.6 1.9 ± 2.4 0.393
  1. a T-Test bMann-Whitney U-test cdenotes estradiol value 1 day prior to oocyte retrieval
  2. * denotes statistical significance; Data expressed as mean ± SD with n = 57 in each group.