Lowest | Highest | Mean (±SD) | Mode | Up to 35 (%) | Up to 40 (%) | Up to 45 (%) | Up to 50 (%) | Over 50 (%) | |
---|---|---|---|---|---|---|---|---|---|
Oldest maternal age at delivery (670) | 36 | 60 | 45.3 (±2.9) | 45 | 0 | 9 (1.3) | 395 (59.0) | 228 (34.0) | 38 (5.7) |
Upper age limit for safe delivery (628) | 30 | 53 | 43.2 (±3.5) | 45 | 22 (3.5) | 189 (30.1) | 337 (53.7) | 79 (12.6) | 1 (0.1) |
Upper age limit for ovum recipients (343) | 29 | 55 | 41.5 (±5.1) | 45 | 64 (18.7) | 100 (29.2) | 126 (36.7) | 33 (9.6) | 20 (5.8) |
Age at egg donation delivery (91) | 26 | 58 | 44.6 (±7.0) | 46 | 14 (15.4) | 6 (6.6) | 18 (19.8) | 38 (41.8) | 15 (16.4) |
Age at egg donation delivery (advanced age/menopause) (53) | 39 | 58 | 48.3 (±3.6) | 47 | 0 | 2 (3.8) | 9 (17.0) | 29 (54.7) | 13 (24.5) |