If you have been pregnant without vomiting, you should consider that it is caused by the physiological phenomenon of pregnancy or embryonic abortion, you can go to the regular hospital for examination to clarify the cause before dealing with the cause. Common causes and treatment 1, normal physiological phenomenon: pregnancy has not been pregnant vomiting, but the results of the maternity examination of pregnant women indicate that the embryo is developing normally, and there is no vaginal bleeding or other uncomfortable symptoms, most of them are considered to be physiological phenomenon of pregnancy. Not all pregnant women will have vomiting reactions during pregnancy. There are many pregnant women who are in good condition during pregnancy and have no obvious discomfort symptoms. In this case, no special treatment is needed, regular obstetric checkups and close observation can be done; 2. Embryonic abortion: If the ultrasound examination of pregnant women shows that the fetal bud or fetus in the gestational sac is not intact, no fetal heartbeat, no dynamic rise in blood HCG value, and accompanied by vaginal bleeding and dark red bloody leucorrhea, embryonic abortion is mostly considered, and pregnant women need to be induced as soon as possible under the operation of professional doctors. Some people have strong reactions, while others may not have any uncomfortable symptoms at all. Pregnant women should ensure enough rest and good sleep quality, adjust their diet, and eat folic acid-rich foods such as oleaginous vegetables and spinach in moderation. If pregnancy vomiting is more pronounced and affects normal life, it is recommended to seek medical attention promptly.