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Table 2 Pregnancy outcomes of different follicle size groups

From: Effect of follicle size on pregnancy outcomes in patients undergoing first letrozole-intrauterine insemination

Follicle size (mm)

N (%)

Pregnancy rate (%)

Clinical pregnancy rate (%)

Live birth rate (%)

Overall

763

18.84

17.69

14.42

 ≤ 18.0

188 (24.6)

12.23

12.23

9.57

18.1 ~ 19.0

114 (14.9)

14.92

14.03

11.40

19.1 ~ 20.0

161 (21.1)

25.47

23.60

19.88

20.1 ~ 21.0

108 (14.16)

23.15

23.15

21.30

21.1 ~ 22.0

78 (10.2)

24.36

23.08

16.67

 > 22.0

114 (14.9)

14.04

13.16

9.65

P

 

0.008

0.012

0.007