My Wife Wants to Divorce Me Because I Gave Birth to a Son

I've traveled through time. Travel to a world where women are the head of the family. This is nothing, what's even more explosive is that I have a pouch on my belly with a baby pouch inside. At this moment, I was kneeling in front of the ancestral hall, and my mother-in-law said with a cold face: "It's the third child, and it's a son. Are you going to go by yourself, or should I send you off?" I looked down at the cub smiling at me in the pouch, lost in thought. ——So in this world, giving birth to a son is the original sin?