Table 1 Patient and cycle characteristics by pregnancy outcome

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 Retrieved^a

18.4 ± 6.9

20.4 ± 7.2

0.120

Number of Mature Eggs^b

15.8 ± 6.5

17.3 ± 6.4

0.176

Number of Eggs Fertilized^b

11.9 ± 4.6

12.9 ± 4.6

0.199

Number of Day 2 Embryos^b

11.9 ± 4.3

12.2 ± 4.1

0.573

Number of Day 3 Embryos^b

10.4 ± 3.8

10.7 ± 3.5

0.608

Number of Blastocysts^b

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 Transferred^b

2.0 ± 0.6

2.2 ± 0.7

0.349

Number of Blastocysts Cryopreserved^b

2.3 ± 2.6

1.9 ± 2.4

0.393