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Transition in serum steroid hormone concentrations and follicular development during IVF.
| Menstrual cycle | Follicle size(mm) | E2 (pg/mL) | FSH (IU/L) | LH (IU/L) | P4 (ng/mL) | |
|---|---|---|---|---|---|---|
| Rt | Lt | |||||
| 12 | 12-21 | 15-22 | 591.8 | 12.78 | <0.1 | 3.74 |
E2, estradiol; LH, luteinizing hormone; FSH, follicle stimulating hormone; P4, progesterone.
