But Actually ...
Hold up there, old timers. It turns out that you were the fuck-happy dick slingers. We're not just comparing our grandparents' generation with the current one, either. The 1950s absolutely demolishes every other modern world decade in teenage pregnancy:
Eat graph, grandpa. Then put away your overactive boner before you hurt someone.
With the exception of a small spike in the 1990s, teen pregnancy has been steadily on the decline since the only form of birth control was sobriety or homosexuality. Take note of those years, teens. It's not just your grandparents we're talking about -- it's also your parents. So there's two generations for you to give the finger and graph-slap into apologetic tears. But wait, there's more!
Those generations didn't just outshame you with their filth; take a look at that graph again. Your generation is sporting the lowest pregnancy rate of ... well, pretty much ever. And just in case your racist grandma needs her supremacy complex spanked, here's another one showing that the decline is mirrored across the board: