Progesterone belongs to the progesterone class of drugs, which has the effect of preserving the fetus, especially in early pregnancy, if the progesterone is low, it will easily lead to miscarriage, during which progesterone can be taken orally. If the progesterone value is too low and the oral medication is not effective enough to raise the progesterone value in the body, intramuscular progesterone injections are needed. The amount of progesterone injected should be determined on a case-by-case basis. During the period of medication, you should also try to keep your mood relaxed and not be too nervous. If you are too nervous, you will easily promote uterine contractions, leading to an increase in the chance of miscarriage, and you should also pay attention to bed rest when you are on birth control. Do not exercise strenuously.