In order to terminate the pregnancy without a surgical procedure medical that blocks progesterone are used. They are called a<span>ntiprogesterones. Antiprogesterones are drugs that block the action of the body's hormone progesterone. </span><span>The nurse should provide to the patient information about the side effects of this medication : Nausea, vomiting, diarrhea, headache, fever or chills, stomatitis, anemia... </span><span>The nurse should explain that this drug has no way of preventing a pregnancy,and that it can only terminate one. </span>