Back in 2003 I give birth to my son in December I was able to claim him on my taxes, I did not realize what to claim on my W4. Thankfully the following yr the HR person helped me fill out my W4 yrs later I knew what to do when I had more children! Sadly this yr I missed being able to claim my son on my taxes because he turned 18 but still in high school, turbo tax said I wasn’t able to claim child tax credit so now I had to amend my return. Still waiting in my money!! Hopefully before school starts!!!!