Table 3.
Y chromosome microdeletion rates according to infertility etiology
| Groups | Microdeletion n, (%) | ||
|---|---|---|---|
| Absent | Present | Total | |
| 46, XY NOA | 512 (93.6) | 35 (6.4) | 547 |
|
| |||
| Klinefelter syndrome | 191 | 0 | 191 |
|
| |||
| Hypogonadotropic hypogonadism | 61 | 0 | 61 |
|
| |||
| CAVD | 114 | 0 | 114 |
|
| |||
| Other chromosomal abnormalities | |||
| • Inversion/translocation | 22 (91.7) | 2 (8.3) | 24 |
| • 45X0/46XY mosaicism | 5 (62.5) | 3 (37.5) | 8 |
| • 46, XX testicular DSD | 1 (9.1) | 10 (90.9) | 11 |
| • 47, XYY | 7 | 0 | 7 |
| • Total | 35 (70) | 15 (30) | 50 |
| Total | 913 (94.4) | 54 (5.5) | 967 |
NOA: nonobstructive azoospermia; CAVD: congenital absence of vas deferens; DSD: disorder of sexual development