Generally speaking, 42 days of pregnancy without early pregnancy reaction is a normal phenomenon. Pregnancy 42 days belongs to the early stage of pregnancy, due to the influence of progesterone, some patients may have nausea, vomiting, loss of appetite, aversion to grease, waist pain, fatigue and other pregnancy reactions, usually lasts about 3 months will gradually reduce or disappear. However, due to the different physique of pregnant women, the severity of the pregnancy reaction and the time of appearance of the early and late are not the same, some pregnant women pregnancy reaction appears earlier, some may appear later, there are a small number of pregnant women may not have any reaction throughout the pregnancy. Pregnancy 42 days without reaction is a normal phenomenon, do not have to worry, suggest that pregnant women to maintain a good mood, appropriate exercise, pay attention to rest, regular maternity examination.