Table 5 Oocyte morphologic quality, by PCOS phenotype

Number of MII oocytes

602

462

432

–

–

Normal oocytes, n (%)

212

(35.2 [31.5 to 39.1])

119

(25.8 [21.9 to 29.9])

147

(34.0 [29.7 to 38.6])

0.031

0.13

Fragmented or abnormal FPB, n (%)

299

(49.7 [45.7 to 53.7])

245

(53.0 [48.5 to 57.5])

241

(55.8 [51.1 to 60.4])

0.16

0.15

Abnormal zona pellucida, n (%)

8

(1.3 [0.7 to 2.6])

6

(1.3 [0.6 to 2.9])

3

(0.7 [0.2 to 2.1])

0.60

0.75

Large perivitelline space, n (%)

49

(8.1 [6.2 to 10.6])

56

(12.1 [9.4 to 15.4])

29

(6.7 [4.7 to 9.5])

0.36

0.34

Material in perivitelline space, n (%)

68

(11.3 [9.0 to 14.1])

52

(11.3 [8.9 to 14.5])

41

(9.5 [7.1 to 12.6])

0.89

0.80

Abnormal shape of oocyte, n (%)

19

(3.2 [2.0 to 4.9])

14

(3.0 [1.8 to 5.1])

9

(2.1 [1.1 to 4.0])

0.41

0.39

Granular cytoplasm, n (%)

21

(3.5 [2.3 to 5.3])

16

(3.5 [2.1 to 5.6])

16

(3.7 [2.3 to 6.0])

0.92

0.81

Intracytoplasmic vacuoles, n (%)

12

(2.0 [1.1 to 3.5])

15

(3.3 [2.0 to 5.3])

3

(0.7 [0.2 to 2.1])

0.049

0.053

AOQI, mean ± SD^a

0.76 [0.68 to 0.85]

0.85 [0.72 to 0.98]

0.75 [0.64 to 0.86]

0.29

0.40

average MOMS per cycle, mean ± SD^a

1.31 [1.04 to 1.46]

1.30 [1.10 to 1.50]

1.27 [1.08 to 1.46]

0.80

0.83