When pregnant with a second child feel especially tired, may be related to the following factors: First, pregnant with a second child age, due to the opening of the second child policy, there are many older women into the ranks of the second child, if the age of more than 35 years pregnant with a second child will feel especially tired, with the increase in age, the state of the body and the previous is certainly a difference in the body’s organs and organs of the body after the pregnancy will increase the burden will result in a more fatigue. Secondly, pregnant women with two babies have to take care of the big baby at the same time, which will also lead to fatigue if they have to disperse a lot of energy. Third, if the second child pregnancy complications will also lead to more fatigue, such as gestational diabetes, hypertension, etc., the second child to pay more attention to do a good prenatal examination.