Vitamin E has a certain effect on birth control. Vitamin E belongs to the vitamin class of drugs, can be used for echinococcosis or malabsorption syndrome, can also be used for cardiovascular and cerebrovascular diseases and habitual abortion, infertility auxiliary treatment. Vitamin E can promote the secretion of sex hormones, so that the concentration of estrogen and progesterone in the pregnant woman’s body increases, which can prevent miscarriage and has a certain degree of efficacy in preserving the fetus. When pregnant women are taking vitamin E to protect the fetus, it can be taken together with progesterone. However, vitamin E should not be taken in excess for a long period of time, so as not to cause blurred vision, enlarged mammary glands, diarrhea, dizziness, headache, nausea and other symptoms, a small number of patients may also be chapped, lipitis, xerostomia, gastrointestinal disorders and other conditions. Patients who are allergic to vitamin E should disable this drug, and patients with iron deficiency anemia should use it with caution. It is recommended that pregnant women strictly follow the doctor’s instructions to use the drug, do not change the dose of the drug without authorization or private abuse of drugs.