Table 3 Prediction of the blastocyst sex by the morphokinetically chosen parameters.
From: Association between sex and the developmental morphokinetics of in vitro derived bovine embryos
No. of kinetic parameters | Stage | Sex prediction | |||
|---|---|---|---|---|---|
% Male (n) | % Female (n) | Excluded from prediction (n) | % of Blastocysts predicted from the total (n) | ||
Single kinetic parameter | 6-cell | 81.7 (49) | 18.3 (11) | – | 100 (60/60) |
7-cell | 90.0 (54) | 10.0 (6) | – | 100 (60/60) | |
8-cell | 85.0 (51) | 15.0 (9) | – | 100 (60/60) | |
Morula | 73.3 (44) | 26.7 (16) | – | 100 (60/60) | |
Two kinetic parameters | 6 & 7-cell | 92.2 (47) | 7.8 (4) | 9 | 85.0 (51/60) |
6 & 8-cell | 93.6 (44) | 6.4 (3) | 13 | 78.3 (47/60) | |
6-cell & morula | 94.4 (34) | 5.6 (2) | 24 | 60.0 (36/60) | |
7- & 8-cell | 92.4 (49) | 7.5 (4) | 7 | 88.3 (53/60) | |
7-cell & morula | 100 (36) | 0 | 24 | 60.0 (36/60) | |
8-cell & morula | 92.7 (38) | 7.3 (3) | 19 | 68.3 (41/60) | |
Three kinetic parameters | 6, 7, & 8-cell | 93.6 (44) | 6.4 (3) | 13 | 78.3 (47/60) |
6, 7-cell & morula | 100 (33) | 0 | 27 | 55.0 (33/60) | |
6, 8-cell & morula | 97.0 (33) | 3.0 (1) | 26 | 56.7 (34/60) | |
7, 8-cell & morula | 100 (36) | 0 | 24 | 60.0 (36/60) | |
Four kinetic parameters | 6, 7, 8-cell & morula | 100 (32) | 0 | 28 | 53.3 (32/60) |
