Pregnant women in the sixth month of pregnancy frequent contractions, may be due to the following factors: 1, under normal circumstances, women in the sixth month of pregnancy contractions phenomenon is a normal physiological phenomenon, contractions belong to the false contractions, usually manifested as a hard belly or a slight sense of abdominal pain, and contractions have no regularity, if the pregnant woman does not have other uncomfortable symptoms do not need to carry out the treatment, pay attention to rest, and avoid overwork. 2, if the pregnant woman appeared frequent contractions phenomenon, and accompanied by vaginal bleeding or contraction symptoms are more serious, such as accompanied by severe abdominal pain or small stomach persistent hard symptoms, may be the phenomenon of preterm miscarriage, be sure to go to the hospital in a timely manner to carry out the relevant examination, if necessary, need to be in the guidance of the doctor for the preservation of the fetus treatment.