https://www.reddit.com/r/TwoXChromosomes/comments/1gkv4oo/the_four_nos_us_4n_movement/
https://archive.is/wip/DQ5rf
https://www.news.com.au/lifestyle/real-life/news-life/no-sex-no-babies-4b-movement-goes-viral-after-donald-trump-us-election-win/news-story/45ab27afabdc9e90a98b615db0641a15
https://www.tiktok.com/discover/4n-movement
The 4N movement proposes an extended sex strike.