Pharmacies sell progesterone, but progesterone is a prescription drug, can not be purchased privately, need to be prescribed by a medical professional before you can buy, and the role of progesterone is more extensive, the dosage of each condition is different, can not be taken privately, or not conducive to the recovery of the condition. Progesterone can protect the fetus, regulate menstruation, treatment of uterine bleeding, it is not recommended to buy directly to the drugstore, you can go to the regular three hospitals for relevant examination, according to the specific conditions of the decision to take the dosage, take time. Pregnant women who need to take progesterone if there are signs of miscarriage must undergo a blood test to determine the method of taking, taking too much or too little will affect the effectiveness of the treatment. Progesterone also has side effects, some people take it will appear nausea, vomiting, dizziness, headache, fever, insomnia symptoms, serious cases will also cause liver function abnormalities, must be taken under the guidance of a doctor.