TABLE 6.

Effect of maternal BMI within race/ethnic groups on IVF outcomes.

	BMI category (kg/m2)
	Alla			Normal weight (18.5–24.9)			Overweight (25.0–29.9)			Obese (30.0–46.0)
Race/ethnicity	AOR	95% CI	P value	AOR	95% CI	P value	AOR	95% CI	P value	AOR	95% CI	P value
Treatment outcome: failure to achieve CIG
Allb				1.00	Reference		1.03	0.97–1.10	NS	1.22	1.13–1.32	***
White	1.00	Reference		1.00	Reference		1.00	Reference		1.00	Reference
Non-Whitec	1.30	1.22–1.39	***	1.31	1.20–1.43	***	1.17	1.03–1.33	*	1.36	1.16–1.59	***
Asian	1.38	1.25–1.52	***	1.36	1.22–1.53	***	1.21	0.98–1.50	NS	1.73	1.21–2.47	**
Hispanic	1.10	0.99–1.24	NS	1.21	1.03–1.42	*	0.92	0.75–1.13	NS	1.04	0.81–1.33	NS
Black	1.43	1.27–1.61	***	1.18	0.97–1.44	NS	1.34	1.10–1.65	**	1.47	1.18–1.83	***
Pregnancy outcome: failure to achieve live birth
Allb				1.00	Reference		1.16	1.02–1.31	*	1.27	1.10–1.47	***
White	1.00	Reference		1.00	Reference		1.00	Reference		1.00	Reference
Non-Whitec	1.38	1.22–1.56	***	1.24	1.04–1.47	**	1.52	1.20–1.93	***	1.86	1.40–2.47	***
Asian	1.33	1.11–1.60	**	1.21	0.96–1.51	NS	1.56	1.07–2.27	*	2.20	1.18–4.08	**
Hispanic	1.39	1.14–1.69	***	1.14	0.84–1.56	NS	1.57	1.12–2.20	**	1.76	1.16–2.67	**
Black	1.43	1.16–1.77	***	1.45	1.02–2.06	*	1.35	0.92–1.98	NS	1.84	1.25–2.71	**

Note: Models were adjusted for woman's age, gravidity, oocyte source, day of embryo transfer, number of embryos transferred, and infertility diagnoses. Adapted from: Luke B, Brown MB, Stern JE, Missmer SA, Fujimoto VY, Leach R. Racial and ethnic disparities in assisted reproductive technology pregnancy and live birth rates within body mass index categories. Fertil Steril 2011; 95:1661–6. CIG = clinical intrauterine pregnancy; other abbreviations as in Tables 2 and 3.

^*P<.05

^**P<.01

^***P<.001.

^aModels additionally adjusted for BMI.

^bModels additionally adjusted for race and ethnicity.

^cNon-White includes Asian, Hispanic, and Black.

Luke. Obesity and race and female fecundity. Fertil Steril 2017.