> We risk disrupting what has consistently been a downard trend by acting on some arbitrary definition of "cause of alarm". > Teenage pregnancy after the 1960'

> We risk disrupting what has consistently been a downard trend by acting on some arbitrary definition of "cause of alarm". > Teenage pregnancy after the 1960's is one example of that Could you elaborate on that? What happened to teenage pregnancy after the 1960s (I sounds like the numbers are going up/not going down anymore?), and what did disrupt that trend?