How would utilitarianism decide whether abortion is ethically permissible or not?

Your paper should be four to five pages, typed, double-spaced, top and bottom margins should be 1”, left and right margins should be 1.25”, with font size 12.

Answer the following question: How would utilitarianism decide whether abortion is ethically permissible or not? 

one to two pages clearly describing the abortion.

two to three pages clearly applying utilitarianism to abortion.

Your only source should be the stanford encyclopedia of Philosophy and the attached powerpoint notes.