Hello, thanks for the query. I learn from your concern that you had a laparotomy for endometriosis and left ovary removal . please note the following 1. For conception your egg when released has to be picked up by the same side tube which needs to be open and functional. As you have your only right ovary left and left tube functional (opposite sides) its not possible for the egg to be picked up by other side tube. Its difficult to expect pregnancy to happen naturally. 2. As the remaining ovary also contains a cyst of almost 4 cm, it s wise to get it removed if you plan to conceive with techniques other than natural method. 3. Taking duphaston doesn t help in conception but it only supports pregnancy if it happens. 4. The best option which can help you conceive now is ivf (in vitro fertilisation). 5. Danazol is not used commonly to treat endometriosis for its unwanted side effects. Hope I ve addressed your concern satisfactorily. Good luck.