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Case 2: follicle size and FSH, LH, E2, and P4 levels
| Day | 3 | 11 | 15 |
|---|---|---|---|
| Follicle size (mm) | Small | 11 | 16.5 |
| FSH (mIU/ml) | 11.4 | – | – |
| LH (mIU/ml) | 3.2 | 5.3 | 29.3 |
| E2 (pg/ml) | 57 | 167 | 228 |
| P4 (ng/ml) | – | – | 1.1 |
Follicle size represents a dominant follicle. The serum FSH, LH, E2, and P4 levels were measured. “Day” represents the number of days from the first day of menstruation.
