The difference between the first and second pregnancy reactions is mainly caused by the different physical conditions and age, which is normal. Generally, women in the third trimester of pregnancy will begin to regurgitate, acid reflux, nausea, vomiting and other pregnancy reactions, but the specific performance and severity are not the same, such as the occurrence of one child and two children with different pregnancy reactions, mainly by the age of pregnancy, pregnancy and other factors such as the impact of the physical condition, is normal, do not need to worry too much. Pregnancy reaction is the normal performance after pregnancy, and different people, each pregnancy may be different, no other abnormalities without special treatment.