If the uterine fluid is gone, you need to see if you need to use birth control drugs under your doctor’s guidance. If there is no abdominal pain or vaginal bleeding, the medication can be stopped and observed; if accompanied by low progesterone levels, abdominal pain, vaginal bleeding and other discomforts, you need to continue to take birth control medication. The fluid in the uterine cavity can sometimes remain stable for a long time, or be absorbed or discharged very quickly. As long as the fluid is not increasing in size, the size becomes larger, the gestational sac is growing normally, and the gestational week is in line with the growth of fetal buds and fetal heart, no abdominal pain, vaginal bleeding and other discomforts, you can stop taking the medicine and observe, pay attention to bed rest during the period, observe for a week, and then do a review. For women with luteal insufficiency, in the early stage of pregnancy, the level of progesterone secreted may be low, which may lead to bleeding from the gestational sac. In this case, additional supplemental progesterone preparations, also known as birth control pills, are needed. Uterine fluid with significant abdominal pain, vaginal bleeding and other discomforts, is the need for the use of drugs to preserve the fetus to inhibit uterine contractions and reduce bleeding. Remember not to blindly stop using drugs, pregnant women need to pay attention to bed rest, prohibit sexual intercourse, family members should also give pregnant women appropriate spiritual encouragement, so that pregnant women’s emotional stability, is conducive to building confidence.