24 weeks placenta grade 1 will not be premature

In general, women in 24 weeks of pregnancy, not necessarily will show the phenomenon of premature birth, at this time the maturity of the placenta should be 0. In ultrasound can generally be divided into 4 levels of placenta maturity, 0 is not mature, normal refers to 28 weeks before pregnancy, a level is the early stage of placenta maturity, usually refers to pregnancy between 29 weeks and 36 weeks. If the examination found that it is a level, consider the placenta premature aging, is abnormal. The reasons for this situation are mostly related to poor living habits, and may also be caused by complications during pregnancy, such as pregnancy hypertension, diabetes, etc.