How do I add a birth certificate of my daughter to my return?

You shouldn't need to add a birth certificate to your tax return. Is it asking for one? 

Says I won’t receive my state return until I do 

Where are you seeing a request for a birth certificate?

Please be aware of phishing and scams when there is a request for your personal information. Please see the TurboTax FAQ Avoid phishing scams and spoofed sites for more information. You may also want to reach out directly to your State Department of Revenue to verify the validity of the request.