| Table 3. The Chi square test for the effect of protocol on pregnancy test, OHSS, and fetal heart activity. | |||||
| Group | Chi square | ||||
| Dual trigger | HCG | ||||
| Positive Pregnancy test | 34.1% |
34.9% |
0.208 | 0.143 | |
| Clinical Pregnancy rate | 32.5% |
34.1% |
3.24 | 0.355 | |
| Ovarian hyper-stimulation syndrome | 2.4% |
2.4% |
1.22 | 0.543 | |