A baby is considered small for gestational age if:.

Their birth weight falls below 10th percentile

Explanation:

A baby is considered small for gestational age if they are considered to be too small in relation to the number of weeks of that pregnancy than they are usually supposed to be. Such a baby when compared to other babies of same gestational age would be measured to be smaller than they are. Birth weight is usually below 10th percentile.

Citizens have certain rights such as freedom of speech. Citizens also have certain requirements such as the need to obey laws.            

Explanation:

             The citizens of the United States of America are the permanent people living and staying in the United States. Every U.S. citizen enjoys certain rights and privileges for being a citizen. They also have certain  responsibilities which they have to render as a United States' citizen.

           U.S. citizens have the right to freedom of speech and expression, the right to vote in elections. They also enjoys the right to practice any religion of their wish. The U.S citizen also have certain responsibilities of obeying the local laws and the federal laws. They have the responsibility to defend the American Constitution.