According to the Ancient Chinese Gender Chart, if your wife is conceived in one of the following time periods in 2023, you have more chance to get a baby girl:
Apr 06 - Apr 19 (35 lunar years old, the 2nd lunar month) Apr 20 - May 18 (35 lunar years old, the 3rd lunar month) Jun 18 - Jul 17 (35 lunar years old, the 5th lunar month) Jul 18 - Aug 15 (35 lunar years old, the 6th lunar month) Aug 16 - Sep 14 (35 lunar years old, the 7th lunar month) Oct 15 - Nov 12 (35 lunar years old, the 9th lunar month) Nov 13 - Dec 12 (35 lunar years old, the 10th lunar month)
Apr 06 - Apr 19 (35 lunar years old, the 2nd lunar month)
Apr 20 - May 18 (35 lunar years old, the 3rd lunar month)
Jun 18 - Jul 17 (35 lunar years old, the 5th lunar month)
Jul 18 - Aug 15 (35 lunar years old, the 6th lunar month)
Aug 16 - Sep 14 (35 lunar years old, the 7th lunar month)
Oct 15 - Nov 12 (35 lunar years old, the 9th lunar month)
Nov 13 - Dec 12 (35 lunar years old, the 10th lunar month)