The first month of pregnancy to eat diet pills do not have to worry too much, basically will not have a great impact, but many diet pills contain laxative ingredients will cause stimulation of the body, so be sure to pay attention to the best not to long-term, frequent diet pills, so as not to lead to fetal abnormality problems. After taking diet pills, you should pay attention to observe your own physical condition, to determine whether there is abdominal pain or vaginal bleeding and other symptoms, and at the same time, you need to check the HCG and progesterone levels in the blood, to determine whether they belong to the normal level. In the middle and late stages of pregnancy, you need to undergo NT examination and Down’s syndrome examination to determine whether there are any fetal malformations, so as to avoid the occurrence of other congenital diseases affecting the normal development of the fetus. Especially in the middle and late stages of pregnancy, it is important to pay attention to the timely conduct of obstetric examinations, and do a good job of fetal heart monitoring to ensure the normal growth of the fetus.