Table 3.

Multivariate analysis for young women’s female reproductive system characteristics and AGD_AF and AGD_AC⁽¹⁾

Variable	AGDAF				AGDAC
	β	95% CI	P-value	R2	β	95% CI	P-value	R2
Uterine morphologya	- 2.0	(− 9.7, 5.7)	0.60	0.22	1.0	(− 12.6, 14.6)	0.88	0.18
Ovarian morphology
< 6 ovarian follicles	Ref.				Ref.
≥ 6 ovarian follicles	3.1	(0.96, 5.3)	< 0.01	0.30	4.6	(0.76, 8.5)	0.02	0.23
Menstrual cycle lengthb	0.25	(− 0.24, 0.74)	0.31	0.20	0.46	(− 0.62, 1.5)	0.39	0.23
Irregular menstrual cyclec	0.69	(− 1.6, 2.9)	0.55	0.22	0.71	(− 3.3, 4.8)	0.73	0.18

¹⁾ Controlling for BMI and hormonal contraception.

^a) normal/abnormal.

^b) in days (number of subjects = 36).

^c) Question was: “Have you ever had an irregular menstrual cycle?” (yes/no).

β = Regression coefficient; CI = Confidence interval.

Ref.: reference group.