Writing an abortion paper means that there are a lot of research that you might want to take. It will also depend on the topic you want to discuss.
One of the most popular topics for an abortion paper is the discussion on morality and ethics. The socially-constructed good and bad is one of the biggest questions that many try to tackle, and one that you, as a writer, should also avoid unless its inevitable. This is highly based on the different culture and perspectives of people. Unless you want to seriously do some convincing of your own, you might have to keep your discussion on this topic at a minimum.
However, you might want to look into writing an abortion paper that focuses on the legalities. Existing state definitions may help other people formulate their own perspectives, and maybe also your own. You can check out only one state, or you can make comparisons. Another essay is a possible comparison of one countrys abortion policies with another state, and also discussing the differences on the cultural perspectives. How can the same thing be regarded differently in one place? Or are they similar in many aspects when it comes to the rules that the state has placed?
Finally, another popular abortion paper topic is told in the view of the human rights protestors, and also of doctors and surgeons. What are their opinions of the matter? What are the official stands of both parties? If you want, religion is also one of the strongest issues that you can tackle, especially if comparisons are made on the opinions of the popular people of these religions. An abortion paper need not be unapproachable, but the wealth of information you can give to others can be important.