Clomiphene citrate promotes ovulation of the ovaries and there is a possibility of having twins after taking it, but it is not absolutely possible to have twins. If a woman takes Clomiphene Citrate and two eggs are ovulated and two sperm combine with them, twins may develop. After using the medication, ovulation is usually monitored, but ovulation varies from person to person and not everyone is able to have twins. Adverse reactions such as nausea, vomiting, breast discomfort and dizziness may occur during the use of the drug. The drug is contraindicated in people with liver disease and liver dysfunction, hereditary defects in bilirubin metabolism, pregnancy, abnormal uterine bleeding, ovarian cysts, endometriosis and allergy to the components of the drug. If visual disturbances, such as blurred vision and shadows, occur during the use of the drug, the drug should be stopped immediately. The drug should be used under the supervision of a doctor, avoiding unauthorized use of the drug, which may cause adverse effects. If the patient continues to experience symptoms that cannot be relieved during the use of the drug, it is recommended to consult a doctor in a timely manner to improve the relevant examinations, to clarify the cause of the disease, and to target the treatment.