chick chirpping in egg but no egg movement

[12344321abc]

Hi. My egg has been chirpping for 15 hours. the egg has not moved at all! It is the 21 day. will it pip soon or move soon? is it stuck? should i help it? it is a homemade incubator. Is it okay to hatch a little late? Please help it is my first hatch! Thank You.

 

[Jharper]

Hi. My egg has been chirpping for 15 hours. the egg has not moved at all! It is the 21 day. will it pip soon or move soon? is it stuck? should i help it? it is a homemade incubator. Is it okay to hatch a little late? Please help it is my first hatch!  Thank You.

It might be stuck your humidity might not be high enough. You may have to put a little hole in the aircell part to let it have fresh air.