Early pregnancy reactions are a source of joy and concern. You need to pay attention to the balance between eating and drinking and the amount of vomiting and excretion. If you continue to vomit more than you eat, or even if you are unable to eat, weak and uncomfortable, seek medical attention promptly. Check blood and urine. Infusion therapy is for energy and electrolyte replacement and generally has no adverse effect on the embryo. Hospitalization is required if necessary, watch for glucose supplementation, and eat lots of oranges and bananas, salty.