In 2019 you will get a baby boy if you are conceived in the following periods: Nov 26 - Dec 25 (30 lunar years old, 11th lunar month) Dec 26 - Dec 31 (30 lunar years old, 12th lunar month)
In 2020 you will get a baby boy if you are conceived in the following periods: Jan 1 - Jan 24 (30 lunar years old, 12th lunar month) Jan 25 - Feb 22 (31 lunar years old, 1st lunar month) Mar 24 - Apr 22 (31 lunar years old, 3rd lunar month)
In 2019 you will get a baby boy if you are conceived in the following periods:
Nov 26 - Dec 25 (30 lunar years old, 11th lunar month)
Dec 26 - Dec 31 (30 lunar years old, 12th lunar month)
In 2020 you will get a baby boy if you are conceived in the following periods:
Jan 1 - Jan 24 (30 lunar years old, 12th lunar month)
Jan 25 - Feb 22 (31 lunar years old, 1st lunar month)
Mar 24 - Apr 22 (31 lunar years old, 3rd lunar month)
Here are more ways for you to increase the chance of conceiving baby boy:
https://www.yourchineseastrology.com/ways-to-get-baby-boy.htm