Perhaps that was the historical reason boys are high prestige, but modern China has huge opportunities for women (who "Hold up half the sky", as Mao put it). C

Perhaps that was the historical reason boys are high prestige, but modern China has huge opportunities for women (who "Hold up half the sky", as Mao put it). China was a society of prima genitor, like Europe; boys are high prestige because they carry on your family name. All praise to the eldest son!