Table III.
Response to ovarian stimulation and embryological data according to body mass index (BMI)
| Variable |
Underweight
BMI <18 |
Normal
BMI 18-22.9 |
Overweight
BMI 23-25.99 |
Obese
BMI ≥26 |
p-value |
|---|---|---|---|---|---|
| Number | 21 | 78 | 56 | 127 | |
| Total number of puregons | 54.821± 0.704 | 57.323 ± 0.914 | 55.905 ± 1 | 58.102± 0.966 | 0.28 |
| No of puregons in one day | 3.964 ± 0.087 | 4.05 ± 0.078 | 3.936 ± 0.074 | 4.014 ± 0.066 | 0.79 |
| Follicle at ultrasound | 20.667 ± 1.522 | 18.859 ± 1.05 | 21.679 ± 1.165 | 19.339 ± 0.76 | 0.25 |
| Endo. lining | 9.524 ± 0.94 | 8.167 ± 0.393 | 8.732 ± 0.44 | 8.646 ± 0.29 | 0.40 |
| No of oocytes/patient | 20.286± 1.543 | 18.449 ± 1.048 | 21.25 ± 1.147 | 18.921± 0.767 | 0.25 |
| Oocyte retrieval rate (%) | 98 | 97 | 98 | 97 | 0.72 |
| No of Metaphase II oocytes | 16.81 ± 1.656 | 14.833 ± 1.038 | 17.393 ± 1.169 | 14.961 ± 0.701 | 0.22 |
| No of 2PN oocytes | 16 ± 1.551 | 14.346 ± 1.005 | 17.036 ± 1.155 | 14.504 ± 0.7 | 0.20 |
| Fertilization rate (%) | 77 | 76 | 79 | 76 | 0.81 |
| No of cleaved embryos | 10.762 ± 1.327 | 10.167 ± 0.857 | 12.339 ± 0.941 | 10 ± 0.604 | 0.20 |
| Cleavage rate (%) | 51 | 52 | 57 | 52 | 0.58 |
| No of transferred blastocysts | 1.571 ± 0.111 | 1.654 ± 0.065 | 1.696 ± 0.076 | 1.591 ± 0.054 | 0.65 |
| Number of gestational sacs | 0.619 ± 0.161 | 0.447 ± 0.08 | 0.636 ± 0.111 | 0.37 ± 0.058 | 0.09 |
| Implantation rate (%) | 43 | 26 | 34 | 23 | 0.14 |
Values are represented as Mean±SD.
Differences among groups were assessed by using analysis of variance. Significance level at <0.05.