Before starting treatment with Clomifene Citrate (Ova-Mit), the patient should be thoroughly examined to exclude liver disease, pituitary or ovarian failure and neoplasms of the endometrium. The cause of infertility and any abnormal bleeding should be investigated. The patients should be warned by the possibility of multiple births. Prolonged courses of treatment are not recommended. Patients should be warned that visual symptoms may occasionally occur during treatment.