| Experiment 1 (%) | Experiment 2 (%) |
Detected fetusesa/ET | 9/21 (43) | 8/37 (22) |
Births/ET | 5/21 (24) | 8/37 (22) |
Births/Detected fetusesa | 5/9 (56) | 8/8 (100) |
Pregnant/Total females | 4/6 (67) | 5/10 (50) |
Births/Pregnant females | 5/4 (125)b | 8/5 (160)c |