I believe in Japan most married women stop working when they have children (https://www.nippon.com/en/in-depth/a04601/japanese-women-face-tough-reality-in-work-

I believe in Japan most married women stop working when they have children (https://www.nippon.com/en/in-depth/a04601/japanese-women-face-tough-reality-in-work-and-marriage.html https://www.nippon.com/en/in-depth/a04601/japanese-women-fac...) but in other countries where both parents are working, closing schools would be very disruptive.