Six weeks of pregnancy progesterone and estradiol have dropped by half consider embryonic dysplasia, specific analysis in conjunction with the clinical manifestations. Progesterone and estradiol are one of the indicators of normal embryonic development in pregnancy. Under normal circumstances, progesterone and estradiol are within the standard range, indicating that the embryo is well developed, if one of them is reduced, it does not mean anything, but if both of them are reduced by half, it may also indicate that the embryo is not well developed. Under the guidance of the doctor, you can check the blood HCG again to see if the index is within the normal range. If the index drops or is abnormal, it is considered that the embryo is underdeveloped and it is recommended to terminate the pregnancy, and you should follow the doctor’s advice. During pregnancy, pay attention to rest, do not be tired, pay attention to light and healthy diet, not strenuous exercise, relax your mood.