When does pregnancy vomiting start and end?

Pregnant vomiting early pregnancy reaction shows the severity and duration of symptoms, this situation varies from person to person, most patients generally show nausea, vomiting, lethargy fatigue, greasy food and other early pregnancy reaction, generally your menstrual cycle, 28 to 30 days menstrual cycle, generally pregnant about six weeks, that is, from the first day of menstruation to start counting, about six weeks will show nausea, vomiting and other early pregnancy reaction. Early pregnancy reactions generally last until about 12 weeks to reduce or disappear, there are also serious morning sickness reactions, lasting throughout pregnancy are possible, so the severity of early pregnancy reactions varies from person to person, duration also varies from person to person, most patients are about 12 weeks will reduce or disappear.