Generally, pregnancy reflexes start around 6 weeks after menopause and end around 12 weeks after menopause, but there are individual variations. During early pregnancy, due to the increase in estrogen and HCG levels, most pregnant women will experience nausea, vomiting, anorexia, fatigue and other reactions to pregnancy during the 6th week of menopause, which will usually go away on their own during the 12th week of menopause, but there are individual differences. A few pregnant women may not have any reaction. Early pregnancy vomiting reaction generally does not require special treatment, you can properly regulate the diet, eat a light diet, eat small meals, but also avoid eating smelly food. However, when nausea, vomiting, inability to eat and other symptoms, you need to go to the hospital in time, if necessary, need to follow the doctor’s advice to hospitalization to give rehydration therapy.