Going for a progesterone test of 2.13 during your period is a normal range.
The normal range for a progesterone test during menstruation is between 0.99 and 4.83. However, it should be noted that different hospital grades, different reagents, etc., can also easily lead to slight differences in the results, but generally speaking, the difference is not very big.
If progesterone is found to be abnormal, it may affect ovulation and follicle development, as well as the growth of the uterine lining and menstruation. Therefore, routine checkups can be done regularly.
Normally, you should pay attention to the regulation of diet and pay attention to rest. If any abnormality in progesterone is found, then it is recommended to consult a doctor for timely treatment.