According to the Chinese Gender Chart, in rest of 2018 and 2019 you will get a baby boy if you are conceived in the following periods: Dec 7, 2018 - Jan 05, 2019 (20 lunar years old, 11th lunar month) Jan 6 - Feb 04, 2019 (20 lunar years old, 12th lunar month) Feb 5 - Mar 06, 2019 (21 lunar years old, 1st lunar month)
According to the Chinese Gender Chart, in rest of 2018 and 2019 you will get a baby boy if you are conceived in the following periods:
Dec 7, 2018 - Jan 05, 2019 (20 lunar years old, 11th lunar month)
Jan 6 - Feb 04, 2019 (20 lunar years old, 12th lunar month)
Feb 5 - Mar 06, 2019 (21 lunar years old, 1st lunar month)
There are more ways that could help you increase the chance of conceiving baby boy:
https://www.yourchineseastrology.com/ways-to-get-baby-boy.htm