>>>"Teen pregnancy" makes sense because it's directly measurable/not easy to fudge and definitely has association with poorer outcomes for baby AND mother. The trouble is that while US teen pregnancy rates remain high, there has been a 63% decrease since 1991- which is no good for a graph purporting to blame the "war on poverty."
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>>>IMHO if you can eliminate the social disadvantage, differences in outcome boil down to Mom’s education level.
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>>and the unwillingness to get an abortion - which will correlate in itself with religion and education
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>Or inability due to safe, legal abortions not being available within a 1 day trip.

Safe being the important adjective here IMO - either you are able to hop into a jurisdiction where it's legal or legality will take a flying leap...