Taking progesterone may aggravate the early pregnancy reaction because the vast majority of progesterone used today is progesterone softgels, and the vast majority of them will cause dizziness about an hour after taking the medication. Dizziness may also occur in early pregnancy, and if progesterone is taken again it may aggravate dizziness and worsen the early pregnancy reaction. It is best to take it before going to bed to reduce the occurrence of dizziness. If progesterone needs to be applied, it is better to take the medicine under the guidance of a doctor. In addition, there must be corresponding medical indications for oral progesterone, and it is important to find out whether the symptoms of preterm abortion have improved after the medication is administered, and to determine whether it is necessary to stop the medication through laboratory tests and through specific clinical symptoms.