Progesterone 12.47 nmol/ml is high for women of childbearing age in the follicular phase and low if in the luteal phase. For pregnant women, progesterone is also low. 1. Women of childbearing age who are not pregnant: (1) Follicular phase: high: the normal value of progesterone in the follicular phase is 0.6-1.9nmol/ml, and high progesterone during this period may be due to endocrine disorders. (2) Luteal phase: low: the normal value of progesterone in the luteal phase is 15.9-63.6nmol/ml, low progesterone during this period means that there may be luteal hypoplasia and menstrual irregularities. 2. Pregnant women: For pregnant women, the value of progesterone should be more than 63.6nmol/ml throughout the pregnancy, if it is 12.47nmol/ml is very low, there are signs of pre-eclampsia. If the test found that the value of progesterone is 12.47nmol/ml, you need to judge according to the physiological period you are in, improve the rest of the examination, and then under the guidance of the doctor for targeted treatment.