This has to do with your personal constitution and the hormone level in your body. Most people continue to have this symptom until 3 weeks later, and then the symptoms will subside one by one. Some people may have vomiting one day and then wake up tomorrow morning feeling quite comfortable and not vomiting at all. However, in some cases, because of the high estrogen level, the symptoms will last until 16-18 weeks. Other people have particularly bad moods and anxiety throughout pregnancy, and they are still weak, and sometimes it lasts for the whole pregnancy. So you are now almost 3 months old and still have this nausea and vomiting symptoms, all belong to the normal reaction. With this symptom, you must not be anxious, you must be normal, positive and optimistic to face the matter, as far as possible to minimize the pressure, eat less and more meals, must eat.