Early pregnancy with fluid in the uterine cavity can take dexamethasone tablets if it is caused by preeclampsia. If you find fluid in the uterine cavity in early pregnancy, considering that it is caused by preeclampsia, you can take dydrogesterone tablets, if the amount of fluid in the uterine cavity is not too much, no symptoms of preeclampsia, there is no need to take dydrogesterone tablets. Dydrogesterone tablets are a kind of progesterone drugs, the main function can supplement the body progesterone deficiency caused by aura miscarriage or habitual miscarriage phenomenon, such as ultrasound found in early pregnancy with uterine fluid, and blood progesterone low, accompanied by vaginal bleeding and other cases, considering that pregnant women are likely to have aura miscarriage, you can comply with the doctor’s instructions to eat the dydrogesterone tablets to play a role in preservation of the fetus. If it is considered that the uterine fluid is caused by physiological factors, there is no need to take dydrogesterone tablets, because a small amount of uterine fluid can be absorbed by itself. It is recommended that pregnant women who have fluid in the uterine cavity detected by ultrasound should have blood tests for HCG and progesterone levels, and if it is considered that preeclampsia is likely to occur, they should take dexmedroxyprogesterone tablets under the guidance of a doctor and follow up with their doctor if they feel unwell during pregnancy.