How many mm is the pregnancy fluid dark area serious

If the liquid dark area exceeds one centimeter, it is serious. At this stage, there is a dark area around the gestational sac, suggesting that there is a threatened abortion. In this case, you need to pay attention to bed rest and not walk. Moreover, the dark area is still enlarged and has something to do with your usual life. It is indeed very dangerous. If there are fetal buds and fetal hearts in the gestational sac, and the embryo develops normally, there is a liquid dark area beside the gestational sac, and there may be bleeding. Doctors prescribe drugs to take on time, pay more attention to bed rest to prevent strenuous activities and physical labor, can absorb, and then go to the hospital for reexamination in ten and a half days.