Table 3 Nucleolar morphology related to the maternal age.

≤32

33-37

38-41

O.R. (C.I. 95%)

≤32

33-37

38-41

O.R. (C.I. 95%)

1

134 (56.1)

274 (57.9)

193 (54.5)

n.s.

96 (53.0)

230 (56.6)

132 (55.0)

n.s.

2

37 (15.5)

65 (13.7)

60 (16.9)

n.s.

32 (17.7)

62 (15.3)

37 (15.4)

n.s.

3

53 (22.2)

106 (22.4)

86 (24.3)

n.s.

41 (22.6)

88 (21.7)

61 (25.4)

n.s.

4

15 (6.3)

28 (5.9)

15 (4.2)

n.s.

12 (6.6)

26 (6.4)

10 (4.2)

n.s.

All zygotes

239

473

354

181

406

240