Research Article

Body Mass Index Impacts In Vitro Fertilization Stimulation

Table 2

IVF Stimulation Characteristics and IVF outcomes. Results are given as mean values with their associated standard deviations for all patients in the study, patients with B M I < 2 5  kg/ m 2 compared to patients with B M I 2 5  kg/ m 2 , and patients with B M I < 3 0  kg/ m 2 compared to patients with B M I 3 0  kg/ m 2 .

All patients
𝑁 = 1 1 7
B M I < 2 5  kg/ m 2
𝑁 = 5 8
B M I 2 5  kg/ m 2
𝑁 = 5 9
𝑃 value B M I < 3 0  kg/ m 2
𝑁 = 9 6
B M I 3 0  kg/ m 2
𝑁 = 2 1
𝑃 value

Peak estradiol (pg/mL) 2 7 7 4 . 6 ± 1 9 3 3 . 9 2 4 7 6 . 7 ± 1 8 6 6 . 7 3 0 8 9 . 4 ± 1 9 7 0 . 9 < . 0 5 2 6 9 0 . 8 ± 1 7 7 3 . 3 3 1 7 1 . 6 ± 2 5 8 6 . 6 .61
Ampules of gonadotropins 5 5 . 9 ± 1 1 . 8 5 9 . 3 ± 1 0 . 9 5 2 . 3 ± 1 1 . 8 < . 0 0 1 5 6 . 8 ± 1 1 . 7 5 1 . 9 ± 1 2 . 1 .13
Days of stimulation 1 0 . 1 ± 1 . 3 1 0 . 4 ± 1 2 . 2 9 . 7 ± 1 . 3 < . 0 0 1 1 0 . 1 ± 1 . 4 1 0 . 0 ± 1 . 0 .45
Number of follicles 1 8 . 9 ± 1 1 . 6 1 6 . 1 ± 1 0 . 3 2 1 . 9 ± 1 2 . 1 < . 0 1 1 7 . 8 ± 1 0 . 3 2 4 . 3 ± 1 5 . 5 .12
Number of oocytes 1 6 . 7 ± 1 1 . 9 1 5 . 5 ± 1 1 . 1 1 8 . 1 ± 1 2 . 6 .21 1 6 . 3 ± 1 1 . 5 1 9 . 0 ± 1 4 . 0 .56
Number of mature oocytes 1 3 . 2 ± 8 . 9 1 2 . 4 ± 8 . 9 1 4 . 1 ± 9 . 0 .24 1 3 . 1 ± 8 . 9 1 3 . 8 ± 9 . 3 .85
Number of embryos 1 0 . 4 ± 7 . 8 9 . 6 ± 7 . 4 1 1 . 3 ± 8 . 2 .18 1 0 . 4 ± 7 . 9 1 0 . 8 ± 7 . 8 .83
Number of embryos transferred 2 . 9 ± 0 . 9 3 . 0 ± 0 . 9 2 . 9 ± 1 . 0 .54 2 . 9 ± 0 . 9 2 . 9 ± 0 . 9 .80
Day of embryo transfer 3 . 6 ± 1 . 1 3 . 6 ± 1 . 1 3 . 6 ± 1 . 1 .93 3 . 7 ± 1 . 1 3 . 2 ± 1 . 0 .19
Pregnancy rate (%) 5 0 . 4 % 4 8 . 3 % 5 2 . 5 % .64 5 2 . 1 % 3 8 . 1 % .30
Implantation rate (%) 2 6 . 5 % 2 2 . 6 % 3 0 . 7 % .10 2 5 . 7 % 2 8 . 6 % .65

S ignificant 𝑃 values ( .05).