Progesterone injection has the effect of preserving the fetus, promoting breast development, inhibiting ovarian ovulation, etc. It can be used for the treatment of menstrual disorders, miscarriages, premenstrual tension syndrome, etc. The medication needs to be used under the guidance of a doctor. Progesterone injection is a progesterone drug that can reduce the excitability of the pregnant uterus and ensure the safe growth of the fetus. It also promotes the development of breasts in preparation for milk production. It can also inhibit the release of luteinizing hormone, thus inhibiting the ovulation process of the ovaries. It is commonly used clinically to treat amenorrhea, functional uterine bleeding, luteal insufficiency, preeclampsia, habitual abortion, and premenstrual tension syndrome. After the use of the drug may have nausea, dizziness, headache, tiredness, hives, breast swelling and other adverse reactions, long-term use may lead to reduced menstruation or amenorrhea, swelling and so on. Note that the drug should be used with caution in patients with kidney disease, cardiac edema, hypertension, and is contraindicated in patients with severe liver injury. It is recommended to consult a doctor before use and have it injected by a healthcare professional.