Table 5. Comparison of leading follicular diameter.
| Day before ovulation | Mean Follicular Diameter (in mm) | |
| Spontaneous | Clomiphene Induced | |
| Day – 3 | 16 | 22 |
| Day – 2 | 19 | 24 |
| Day – 1 | 21 | 26 |
| Spontaneous | Clomiphene | |
| Average No. of ovulating follicles having diameter > 16 mm | 1 | 2.5 |