Table 5.
Stimulation parameters of the study population for the pregnant group and non-pregnant group
| Pregnant group | Non-pregnant group | P | |
|---|---|---|---|
| Total HMG dose (U) | 422.16±283.59 | 389.78±327.47 | NS |
| Duration of HMG stimulation (days) | 4.96±2.84 | 4.48±3.03* | 0.019848 |
| LE + HMG | 5.64±1.90 | 5.27±2.11 | NS |
| CC + HMG | 5.67±2.73 | 5.21±2.71 | NS |
| HMG | 6.55±2.98 | 5.52±3.67 | NS |
| Hormones on HCG day | |||
| FSH (IU/L) | 9.59±3.69 | 9.26±3.63 | NS |
| LH (IU/L) | 17.38±16.10 | 15.96±14.63 | NS |
| E2 (pmol/L) | 2545.84±2071.68 | 2768.04±2634.18 | NS |
| P (nmol/L) | 3.33±2.75 | 3.36±4.49 | NS |
| Number of follicles on HCG day | 2.18±1.26 | 2.10±1.24 | NS |
| EMT on HCG day (mm) | 9.31±1.97 | 8.89±1.93** | 0.002288 |
| <8 | 6.76±0.65 | 7.81±1.67 | NS |
| 8-12 | 9.68±1.24 | 9.45±1.24 | 0.022093 |
| >12 | 13.91±1.23 | 14.00±1.15 | NS |
HMG=Human menopausal gonadotropin, LE=Letrozole, CC=Clomiphene citrate, HCG=Human chorionic gonadotrophin, FSH=Follicle-stimulating hormone, EMT=Endometrial thickness, LH=Luteinising hormone, E2=Oestradiol, NS=Non-significant, P=Progesterone. *P<0.05, **P<0.01