Skip to main content
. 2023 Jan 27;38(3):459–470. doi: 10.1093/humrep/dead007

Table IV.

Follicle kinetics of dominant follicles in non-obese and obese women.

Women without obesity (n = 21) Women with obesity (n = 21)
Characteristics of anovulatory dominant follicles
Total number over the IOI (N) 18 9*
Prevalence (% of participants) 12/21 (57.1) 6/21 (28.6)**
 Prevalence in the follicular phase (N participants, %) 10/21 (47.6) 4/21 (19.0)*
 Prevalence in the luteal phase (N participants, %) 5/21 (23.8) 2/21 (9.5)
Diameter at selection (mm) 7.4 ± 1.0 6.6 ± 1.1
Sonographic presence (days) 16.31 ± 3.90 15.83 ± 2.32
Growth phase (days) 7.38 ± 2.36 7.50 ± 2.88
Growth rate (mm/day) 0.94 ± 0.24 0.96 ± 0.35
Static phase (days) 1.31 ± 0.75 1.50 ± 1.22
Regression phase (days) 7.62 ± 3.59 6.83 ± 2.64
Regression rate (mm/day) 0.75 ± 0.26 0.82 ± 0.15
Maximum diameter (mm) 10.7 ± 1.0 10.5 ± 0.8
Characteristics of ovulatory dominant follicles
Total number over the IOI (N) 22 21
Prevalence (% of participants) 21/21 (100) 21/21 (100)
Emergence to ovulation
 Day of emergence (day) 13.8 ± 4.1 14.5 ± 3.9
 Growth phase (days) 15.4 ± 3.1 14.8 ± 2.7
 Growth rate (mm/day) 1.03 ± 0.22 1.05 ± 0.23
Selection to ovulation
 Diameter at selection (mm) 9.5 ± 1.9 7.5 ± 1.7**
 Day of selection (day) 21.0 ± 3.9 20.0 ± 3.0
 Growth phase (days) 8.9 ± 1.9 9.0 ± 2.4
 Growth rate (mm/day) 1.22 ± 0.27 1.26 ± 0.24
 Maximum diameter of ovulatory dominant follicles (mm) 19.8 ± 2.9 19.5 ± 2.8

Data are presented as mean ± SD or proportion (%). Within rows, * denote significant differences between groups, adjusted values.

*

P < 0.05,

**

P < 0.01.

IOI, inter-ovulatory interval.