: We reviewed studies reporting on pregnancy intention and antenatal care from PubMed, Popline, CINHAL
and Jstor search engines by developing search strategies. Study quality was assessed for biases in selection, definition of
exposure and outcome variables, confounder adjustment, and type of analyses. Adjusted odds ratios, standard errors
and sample size were extracted from the included studies and meta-analyzed using STATA version 11. Heterogeneity
among studies was assessed using Q test statistic. Effect-size was measured by Odds ratio. Pooled odds ratio for the
effects of unintended pregnancy on the use of antenatal care services were calculated using the random effects model