Table 3.

Multivariable analysis of factors associated with ART and pregnancy outcomes

Variables	Crude OR	Adjusted OR
Clinical pregnancy	0.89 (0.765,1.031)	0.91 (0.774,1.068)
Biochemical pregnancy	0.51 (0.379,0.669)	0.53 (0.389,0.705) *
Live birth	0.99 (0.778,1.273)	1.05 (0.810,1.358)
Abortion	0.78 (0.524,1.144)	0.76 (0.499,1.124)
Embryonic demise	1.09 (0.785,1.499)	1.03 (0.732,1.437)
Labor induction	1.44 (0.784,2.553)	1.42 (0.760,2.574)
Multiple gestations	0.56 (0.417,0.736)	0.59 (0.433,0.794)

ART assisted reproductive techniques, OR odd ratio

^*P < 0.05