The number of federations that compete in the men's WC (starting at qualification) is around 200. A much lower number compete in the women's WC. How many exactly I do not know. And countries where women are banned from watching soccer are certainly not going to have a women's team.
Iran has a women's team.
They first entered qualifying for the 2011 tournament, they just aren't very good.
143 countries attempted to qualify for the 2019 tournament.