|
NC-IUIa
|
COS-IUI
|
P-value
|
---|
Totalb
|
1 follicleb1
|
≥ 2 folliclesb2
|
a vs. b
|
b1 vs. b2
|
a vs. b1
|
a vs. b2
|
---|
n
|
425
|
176
|
93
|
83
| | | | |
Clinical pregnancy (n (%))
|
52 (12.2)
|
23* (13.1)
|
11(11.8)
|
12* (14.5)
|
0.787
|
0.658
|
1.000
|
0.588
|
Live birth (n (%))
|
47 (11.1)
|
21* (11.9)
|
10(10.8)
|
11* (13.3)
|
0.778
|
0.647
|
1.000
|
0.572
|
Spontaneous abortion (n (%))
|
3 (5.8)
|
2 (8.7)
|
1(9.1)
|
1(8.3)
|
0.639
|
1.000
|
0.546
|
0.574
|
Ectopic pregnancy (n (%))
|
2 (3.7)
|
1* (4.3)
|
0
|
1* (8.3)
|
1.000
|
1.000
|
1.000
|
0.458
|
Multiple pregnancy (n (%))
|
0
|
2* (8.7)
|
0
|
2*(16.7)
|
0.091
|
0.478
|
–
|
0.033#
|
- NC Natural cycle, COS Controlled ovarian stimulation; * including one heterotopic pregnancy; #denotes a statistically significant difference (P < 0.05)
- a, Group NC-IUI; b, Group COS-IUI; b1, Group 1 follicle; b2, Group ≥2 follicles