By Bonnie Stiernberg When Dirty Dancing came out 35 years ago, its 1963 setting felt like a different world — one in which Frankie Valli ruled the radio and something as simple as pelvic-thrusting on the dance floor was still considered scandalous. But by the time the newly announced sequel comes out in 2024, it could feel all too familiar for millions of American women. The 1987 original famously features a cautionary tale about what happens when women don’t have access to safe, legal abortions. Penny, Johnny’s dancing partner, almost dies after a botched back-alley abortion and Baby (Jennife…