Table III.

Association between leiomyoma presence, type, location, segment, numbers, volume and time to pregnancy.

	Crude OR (95% CI)	Adjusted OR (95% CI)a
Leiomyoma present
No	1.0	1.0
Yes	0.9 (0.8, 1.0)	1.0 (0.8–1.1)
Leiomyoma type
No leiomyomata	1.0	1.0
Any subserous	0.8 (0.7–1.0)	0.9 (0.7–1.1)
Any submucous	1.0 (0.7–1.4)	1.1 (0.8–1.4)
Any intramural	0.9 (0.7–1.1)	1.0 (0.8–1.2)
Any pedunculated	0.7 (0.4–1.2)	0.8 (0.4–1.3)
Leiomyoma location
No leiomyomata	1.0	1.0
Any anterior	0.9 (0.7–1.0)	0.9 (0.8–1.1)
Any posterior	0.9 (0.8–1.1)	1.0 (0.8–1.2)
Any both (ant. + post.)	0.6 (0.4–1.1)	0.7 (0.4–1.2)
Leiomyoma segment
No leiomyomata	1.0	1.0
Any cervix	0.8 (0.6–1.1)	0.8 (0.6–1.2)
Any corpus	1.0 (0.8–1.2)	1.0 (0.9–1.3)
Any fundus	0.9 (0.7–1.1)	1.0 (0.8–1.2)
Leiomyoma number
0	1.0	1.0
1	0.9 (0.8–1.1)	1.0 (0.8–1.1)
≥2	0.9 (0.7–1.2)	1.0 (0.7–1.3)
Total leiomyoma volume (cc)
No leiomyomata	1.0	1.0
First quartile [0.03, 0.92]	1.0 (0.8–1.3)	1.1 (0.8–1.4)
Second quartile [0.92, 4.72]	0.8 (0.6–1.1)	0.9 (0.7–1.2)
Third quartile [4.72, 18.23]	0.9 (0.7–1.2)	0.9 (0.7–1.2)
Fourth quartile [18.23, 987.2]	0.9 (0.7–1.1)	0.9 (0.7–1.3)
Mean leiomyoma diameter (mm)
No leiomyomata	1.0	1.0
First quartile [3.65, 11.25]	1.0 (0.8–1.4)	1.1 (0.9–1.5)
Second quartile [11.25, 19.50]	0.8 (0.6–1.1)	0.9 (0.7–1.2)
Third quartile [19.50, 29.33]	0.9 (0.7–1.1)	0.9 (0.7–1.2)
Fourth quartile [29.33, 123.70]	0.9 (0.7–1.2)	0.9 (0.7–1.2)

OR, odds ratio.

^aAll models are adjusted for maternal age, race/ethnicity, education, employment, smoking and body mass index.