Deferiprone tablets are a kind of synthesized progesterone tablets, also known as progesterone, from plant-derived ingredients, which can be mainly used for progesterone insufficiency diseases, such as miscarriage, fertility preservation, as well as some diseases related to progesterone supplementation, such as perimenopausal hormone replacement and other treatments during menopause. In addition, it can also be used for endometrial transformation and progesterone supplementation for habitual abortion, preeclampsia, etc. Its role can replace the role of progesterone, but it is not easy to measure its composition in the blood, that is, after taking dydrogesterone orally, the progesterone measurement in the blood is not able to reflect the real progesterone level, so when taking dydrogesterone, it may not be able to measure the real level of progesterone in the blood. The blood test for progesterone does not reflect the true level of progesterone in the blood.