It may also have been to do with little other recreational options. Poland had a baby boom after curfews were introduced in the 1980's: https://www.economist.co

It may also have been to do with little other recreational options. Poland had a baby boom after curfews were introduced in the 1980's: https://www.economist.com/news/europe/21725707-now-polish-firms-worry-visa-free-travel-may-lure-them-away-rest-eu-ukrainian https://www.economist.com/news/europe/21725707-now-polish-fi...