Table 2. Clinical features and ovarian stimulation outcomes in the DHEA and control groups.
| Parameter | DHEA group | control group | P value |
| Number of FSH vials (IU) | 37.4±11.3 | 41.49±11.05 | 0.007 |
| Duration of stimulation (days) | 10.19±2.00 | 10.14±1.97 | N.S |
| Peak E2 value (pg/ml) | 1501±696 | 1494±709 | N.S |
| P value on hCG day (ng/ml) | 1.13±0.43 | 0.96±0.47 | N.S |
| Endometrial thickness on hCG day | 9.41±1.78 | 9.85±1.86 | N.S |
| Number of follicles≥14 mm | 4.41±2.02 | 3.92±1.58 | 0.03 |
| Number of oocytes retrieved | 4.48±2.46 | 3.95±2.09 | N.S |
| Number of mature oocytes | 3.75±2.22 | 3.5±1.87 | N.S |
| Number of fertilized oocytes | 3.30±1.99 | 2.83±1.78 | N.S |
| Number of cleavage embryos | 3.23±1.99 | 2.76±1.75 | N.S |
| Fertilization rate (%) | 77.2±22.3 | 73.8±25.5 | N.S |
| Cleavage rate (%) | 97.3±5.22 | 96.3±6.87 | N.S |
| Number of available embryos | 1.97±1.35 | 1.80±1.24 | N.S |
| Number of embryo transfer | 1.34±0.86 | 1.36±0.90 | N.S |
| Number of blastocysts | 1.44±1.30 | 1.18±1.09 | N.S |
Note: Values are expressed as mean ± SD or percentage. Fertilization rate: two-pronuclear zygotes (2PNs)/total MII oocytes in ICSI cycle or fertilized oocytes/total oocytes in IVF cycle. Cleavage rate: embryos on the 3rd day of cleavage–stage/total fertilized oocytes.