Original sentence: Abortion generally refers to the use of surgical procedures or drugs to end a pregnancy, associated with the death of the human embryo or fetus.Chemical abortion (or Medical Abortion as opposed to Surgical Abortion) is a method used to induce abortion by ingesting drugs, usually during the first nine weeks of pregnancy.Further into the pregnancy chemical abortion is accomplished by administering either methotrexate or mifepristone (RU-486) followed by administration of misoprostol.Very soon after a sperm and ovum unite, the Morning-after pill can be taken as an abortifacient to prevent the resulting embryo from implanting in the uterus, thereby aborting any further development of the embryo
Edited sentence: Abortion generally refers to the use of surgical procedures or drugs to end a pregnancy.Both are dealt with in detail in their respective articles.Chemical abortion (or Medical Abortion as opposed to Surgical Abortion) is a method that is used when it is induced during the first nine weeks.The morning-after pill is often confused with RU-486, however the morning-after pill cannot cause an abortion; it is only capable of preventing a pregnancy from occuring.The procedure consists of administering either methotrexate or mifepristone (RU-486) followed by administration of misoprostol