I wonder how much differing teenage pregnancy rates reflect different biological Age at First Reproduction https://www.ppin.org/education/documents/adolecent_preg_fact_sheet_06.pdf …
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Replying to @sarahdoingthing
Teen pregnancy rate for US, Canada, Australia (even restricted to whites) higher than home euro pops, intense selection for lower AFR
4 replies 2 retweets 3 likes -
Replying to @sarahdoingthing
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
@hbdchick1 reply 2 retweets 3 likes
Some of the evidence it's hard biological rather than cultural http://www.pnas.org/content/early/2011/09/28/1104210108 …
5:18 PM - 3 Jun 2014
0 replies
3 retweets
1 like
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