TABLE 5.

Effect of race and ethnicity on optimal outcome (live birth) versus adverse outcome (fetal loss or stillbirth) in IVF pregnancies according to gestational period when adverse outcome occurred.

Period of adverse outcome	All			≤8 wk			9–12 wk			13–19 wk			≥20 wk
	15,077			8,657			3,711			1,770			939
No. of adverse outcomes	AOR	95% CI	P value	AOR	95% CI	P value	AOR	95% CI	P value	AOR	95% CI	P value	AOR	95% CI	P value
White	1.00	Reference		1.00	Reference		1.00	Reference		1.00	Reference		1.00	Reference
Asian	0.89	0.82–0.97	**	0.95	0.85–1.06	NS	0.96	0.82–1.13	NS	0.63	0.52–0.78	***	0.82	0.60–1.11	NS
Hispanic	0.87	0.79–0.96	**	0.98	0.86–1.11	NS	0.91	0.76–1.08	NS	0.64	0.51–0.81	***	0.58	0.43–0.78	***
Black	0.62	0.56–0.68	***	0.83	0.73–0.94	**	0.61	0.51–0.71	***	0.38	0.31–0.46	***	0.28	0.22–0.36	***

Note: Study population limited to cycles of fresh embryo transfers using autologous oocytes and partner semen. Models were adjusted for maternal age, number of embryos transferred, assisted hatching and intracytoplasmic sperm injection, reproductive history, and infertility diagnoses. Adapted from: Baker VL, Luke B, Brown MB, Alvero R, Frattarelli JL, Usadi R, et al. Multivariate analysis of factors affecting probability of pregnancy and live birth with in vitro fertilization: an analysis of the Society for Assisted Reproductive Technology Clinic Outcome Reporting System. Fertil Steril 2010; 94:1410–6. Abbreviations as in Tables 2 and 3.

^**P<.01

^***P<.00.

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