Have you ever seen the movie, “Children of Men” (2006)?
Movie trailer
https://www.youtube.com/watch?v=2VT2apoX90o
http://en.wikipedia.org/wiki/Children_of_Men
The premise of the movie is that women have been infertile for 20 years for an unknown reason.
How about making a movie where the women simply choose not to have children?
Well, I see a play written 2,500 years ago by Aristophanes in which the women simply chose to withhold sex from their men.