Table 1 Characteristics of 18,272 cycles and IVF/ICSI cycles
Characteristics | Values |
|---|---|
Maternal age (years), n (%) | |
18–34 | 14,316 (78.35%) |
35–37 | 2,057 (11.26%) |
38–39 | 1,041 (5.7%) |
≥ 40 | 858 (4.7%) |
Number of previous IVF cycles, n (%) | |
0 | 15,616 (85.46%) |
1 | 1,694 (9.27%) |
2 | 610 (3.34%) |
≥ 3 | 352 (1.93%) |
Duration of infertility (years), (x̄ ± SD) | 4.50 ± 3.23 |
Type of infertility, n (%) | |
Primary | 8,053 44.10%) |
Secondary | 10,219 (55.90%) |
Cause of infertility, n (%) | |
Tube disease | 13,332 (72.96%) |
Male factor | 5,109 (27.96%) |
Endometriosis | 1,234 (6.75%) |
Anovulation | 2,761 (15.11%) |
Insemination method, n (%) | |
IVF | 13,826 (75.86%) |
ICSI | 3,452 (18.94%) |
IVF + ICSI | 948 (5.20%) |
No. oocytes retrieved | |
Median [IQR] | 12 [816] |
Year beginning IVF cycle, n (%) | |
2014 | 2,027 (11.09%) |
2015 | 2,953 (16.16%) |
2016 | 4,297 (23.52%) |
2017 | 4,656 (25.48%) |
2018 | 4,339(23.75%) |
No. transferable embryos | |
Median [IQR] | 3 [2,3,4] |
AFC, Median [IQR] | 12 [9,17] |
BMI, kg/m2, (x̄ ± SD) | 21.87 ± 3.05 |
Basal FSH (IU/L), Median [IQR] | 6.305 [5.4, 7.43] |
Basal E2 (pg/mL), Median [IQR] | 35.8 [26.6, 47.84] |
Basal LH (IU/L), Median [IQR] | 4.5 [3.31, 6.18] |