Is it normal for a pregnancy reaction to go away in two or three days?

Pregnancy reaction is gone in two or three days may be normal, but it may also be an abnormal phenomenon, to be analyzed in conjunction with the specific causes.
Generally speaking, around 42 days of pregnancy, due to the increase in hormone levels in the body, there will be breast swelling and pain, nausea, vomiting or loss of appetite and other early pregnancy reactions, and most of the symptoms will continue until around the third month of pregnancy will gradually reduce or disappear.
Due to different personal constitution, the duration of early pregnancy reaction also exists individual differences, some women may have mild symptoms, lasting 2~3 days to adapt to the symptoms will be significantly reduced or disappear, it does not mean that there is a problem, you can go to the hospital to do ultrasound to check the development of the embryo, if the embryo is well developed, the disappearance of the reaction of early pregnancy is also normal.
But the early pregnancy reaction two or three days on no longer have to be alert to whether the embryo stops developing caused by. After the embryo stops developing, the human chorionic gonadotropin HCG in the body will not continue to double, and the early pregnancy reaction will be reduced or disappear. Can be combined with ultrasound and blood HCG examination to clarify, such as fetal arrest caused by the disappearance of early pregnancy reaction is anomalous, to terminate the pregnancy in a timely manner.