Parameter Frydman catheter group Sidney catheter group p
No. of patients 34 34  
Age 42.06 ± 6.6
(24-52)
42.5 ± 5.5
(30-56)
0.52a
Body mass index 29.44 ± 3.9
(23.4–41.2)
29.13 ± 3.7
(24.2–42.2)
0.67a
Duration of endometrial preparation (days) 35.6 ± 8.5
(16-51)
34.1 ± 9.3
(16-47)
0.49a
Fertilized oocytes 4.6 ± 1.3 4.5 ± 1.4 0.61a
Pregnancy rate 29.4% 61.7% 0.02b
Results are mean ± SD (range)
aWilcoxon test
bMcNemar test
Table 1: Patient characteristics and assisted reproduction treatment outcomes according to type of soft catheter used for embryo transfer.