Clomid is definitely an oral supplement that can become used to trigger ovulation. It really works by blocking estrogen receptors during the hypothalamus, which is an important "hormonal control center" for the body. After this happens, the hypothalamus is stimulated to release follicle exciting hormone (FSH), and luteinizing hormone (LH). These tend to be the of course developing ovarian stimulants, which prompt ovulation in a normal routine.