I calculated according to the map of the Qing Dynasty, and it was a boy. What's with the B-ultrasound saying it's a girl?

Gender is determined by nature ~ ~ not by time ~ ~ If the map of the Qing Dynasty was accurate ~ ~ then the ratio of male to female would have been out of balance long ago ~ ~ ~ It is a backward concept to prefer sons to daughters ~ ~ Now women have advantages in many aspects ~ ~ So ~ ~ I suggest you not to be so depressed ~ ~ As long as your own flesh and blood is good ~ ~.