How long does it take to vomit after pregnancy?

Generally, if menstruation is regular, that is, 28 to 30 days of menstrual cycle, about six weeks of pregnancy will show vomiting, lethargy, fatigue, greasy food and other early pregnancy reactions. If menstruation is irregular, it will generally show nausea, vomiting, lethargy, fatigue, greasy food and other early pregnancy reactions after 25 days in the same room, showing these early pregnancy reactions, and there is no menstruation, there is sexual life, no contraceptive measures, this situation is considered pregnant. It is recommended that after pregnancy, it is best not to smoke, not to drink alcohol, not to contact toxic substances, not to take drugs at will, especially for pregnant women, because this stage is a critical period for baby growth and development, and taking drugs may cause baby deformity.