Table 1 Number (and percentage, %) of cycles studied per clinical indication and maternal age

Recurrent miscarriage

74 (9.0)

36.7 ± 3.7^a

35.8–37.5

Advanced maternal age

537 (65.3)

40.3 ± 1.8^b

40.2–40.5

Prior chromosome pathology

19 (2.3)

34.8 ± 2.7^d

34.6–36.5

Male factor

64 (7.8)

35.4 ± 3.1^c,d

34.7–36.2

Implantation failure

120 (14.6)

35.5 ± 3.0^c,d

35.0–36.0

Sperm aneuploidy

8 (1.0)

38.0 ± 2.3^a,b,c

36.0–39.9

Total

822