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 boy:
Jan 22 - Feb 19 (39 lunar years old, the 1st lunar month) Apr 06 - Apr 19 (39 lunar years old, the 2nd lunar month) Apr 20 - May 18 (39 lunar years old, the 3rd lunar month) May 19 - Jun 17 (39 lunar years old, the 4th lunar month) Jun 18 - Jul 17 (39 lunar years old, the 5th lunar month) Sep 15 - Oct 14 (39 lunar years old, the 8th lunar month) Nov 13 - Dec 12 (39 lunar years old, the 10th lunar month)
Jan 22 - Feb 19 (39 lunar years old, the 1st lunar month)
Apr 06 - Apr 19 (39 lunar years old, the 2nd lunar month)
Apr 20 - May 18 (39 lunar years old, the 3rd lunar month)
May 19 - Jun 17 (39 lunar years old, the 4th lunar month)
Jun 18 - Jul 17 (39 lunar years old, the 5th lunar month)
Sep 15 - Oct 14 (39 lunar years old, the 8th lunar month)
Nov 13 - Dec 12 (39 lunar years old, the 10th lunar month)