if you are expecting one cup of coffee is allowed a day. i would avoid black though. for a change if you are craving for it, that's cool. but avoid everyday.

Yes but not too much..<a style="text-decoration:none" href="http://app.babychakra.com/article/763"><b><font color="#3b5998">Quick List of Foods to avoid during Pregnancy</font></b></a> ..read this article for more info

Just one cup shud be fine.. check with ur doctor on any precautions to be taken...