According to the ancient Chinese Gender Chart, in 2018 you will get a baby boy if your wife is conceived in the following periods:
Jun 14 - Jul 12 in Gregorian calendar (38 lunar years old, 5th Chinese lunar month) Aug 11 - Sep 09 (38 lunar years old, 7th lunar month) Oct 9 - Nov 07 (38 lunar years old, 9th lunar month) Dec 7 - Dec 31 (38 lunar years old, 11th lunar month)
According to the ancient Chinese Gender Chart, in 2018 you will get a baby boy if your wife is conceived in the following periods:
Jun 14 - Jul 12 in Gregorian calendar (38 lunar years old, 5th Chinese lunar month)
Aug 11 - Sep 09 (38 lunar years old, 7th lunar month)
Oct 9 - Nov 07 (38 lunar years old, 9th lunar month)
Dec 7 - Dec 31 (38 lunar years old, 11th lunar month)