Teen pregnancy rate for US, Canada, Australia (even restricted to whites) higher than home euro pops, intense selection for lower AFR
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http://en.wikipedia.org/wiki/Prevalence_of_teenage_pregnancy#Birth_and_abortion_rates.2C_1996 … plus obviously they're lower on the cool side of the Hajnal line
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@sarahdoingthing oh yeah. i think it has everything to do w/AFR. inside the hajnal line=being able to delay gratification. very connected! -
@hbdchick totally, though this suggests even if say French teenagers in the 1600s had sex they mostly wouldn't get pregnant!
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@sarahdoingthing@hbdchick . . . there are loads of variables involved that make generalities poison. -
@LadaMokusa@hbdchick this suggests age at first intercourse might not be the whole story, definitely http://www.pnas.org/content/early/2011/09/28/1104210108 … - 1 more reply
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@sarahdoingthing@hbdchick Bio anthro PhD to the rescue! Generally the earlier intercourse begins the higher teen & total fertility, but . .Thanks. Twitter will use this to make your timeline better. UndoUndo
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