After you file


@stephenskinner0 wrote:
I believe now that I should have put on my return that they lived with me for the whole year. I don't know how that will affect my return and if it is worth going through the hassle of amending my return.

The whole year.   Tax law says a child born anytime during the year is deemed to have lived with you all year.

**Disclaimer: This post is for discussion purposes only and is NOT tax advice. The author takes no responsibility for the accuracy of any information in this post.**