Clomid (clomiphene) is taken by patients diagnosed with infertility. This medicine is made for women whose ovaries do not produce eggs that could be fertilized by sperm. Clomid is FDA pregnancy category X - it can cause very serious birth defects. If you think you may have gotten pregnant while using Clomid, stop the treatment and talk to your doctor right away. Let your doctor know if you have a history of an allergic reaction to any medications - especially clomiphene. Your health care provider is also supposed to know if you have or used to have any medical conditions that may affect the dose you are prescribed and may require additional tests. The following ones will be important to mention: endocrine disorder, endometrial carcinoma, undiagnosed vaginal bleeding, endometriosis, thyroid problem, uterine fibroids, any chronic medical illness, liver disease, ovarian cysts, or pregnancy. Talk to your doctor about taking Clomid if you have already tried taking it for several cycles. You are generally not recommended to go through more than 6 cycles in one year, but your doctor may decide otherwise based on your health assessment.