I’m paranoid about long term relationships

Like I see most girls don’t want kids nowadays, for valid reasons I’d probably never understand fully because of my gender, but my end goal in a long term relationship is at least one kid. It’s not all girls, I know, but I’d hate to find out the girl I’ve been with for months, maybe years, doesn’t want kids for one reason or another and are dead set about it. It’s very selfish, I’m fully aware, but I’ve always had my mind dead set on starting a family one day. I just have to find the right person, and hopefully one day I’m blessed enough to find that someone