Ancillary Table 3.

Comparisons of model fit for models containing age and menopausal markers (anti-Müllerian hormone or AMH, antral follicle count or AFC, follicle stimulating hormone or FSH).

	C-statistic for models with all women (n=426)	C-statistic for models in women not using estrogen. (n=359)	C-statistic for models with women with regular menses only. (n=327)	C-statistic for models excluding any woman with a dominant follicle. (n=306)
Age alone	0.83	0.82	0.81	0.86
Age and AMH	0.91	0.91	0.91	0.94
Age and AFC	0.84	0.84	0.82	0.86
Age and FSH	0.86	0.86	0.84	0.89
Age, AMH, FSH	0.91	0.92	0.91	0.94
Age, FSH, AFC	0.86	0.87	0.84	0.89
Age, AMH, AFC	0.91	0.91	0.91	0.95
Age, AMH, FSH, AFC	0.91	0.92	0.91	0.95