Empty gestational sacs may have the reaction of pregnancy vomiting, but it is not absolute, and it is not possible to judge whether it is empty or not based on the reaction of pregnancy vomiting. Empty gestational sac is also a state of pregnancy, is the sperm and the egg after meeting to form a fertilized egg and bed, but after the successful development of fetal buds, fetal heart development, empty gestational sacs in the female body estrogen, progesterone, human chorionic gonadotropin levels will still be elevated, the hormone elevation will produce stimulation of the body, some women are more sensitive to the reaction of the vomiting will occur. Empty gestational sacs occur after pregnancy, indicating that the embryo stops developing, and then human chorionic gonadotropin levels will gradually decline, the reaction of pregnancy vomiting will be significantly weakened, or even disappeared, but these are not absolute, and some women have not been pregnant after the reaction of pregnancy vomiting. Don’t judge whether the empty gestational sac based on whether there is a reaction to pregnancy vomiting, to go to the hospital to do ultrasound to understand, to determine the empty gestational sac can not continue normal pregnancy, timely termination of pregnancy. Early pregnancy should do a good job of maternity check, once found abnormal timely treatment.