1, obese persons. If the pre-pregnancy body mass index of 24 or more (body mass index = body weight in kilograms / height cm square), should be vigilant.
2, the age of 30 years of age, particularly pregnant women over the age of 35.
3, the family has diabetes, especially first-degree relatives (including parents and siblings) have diabetes when I risk of diabetes during pregnancy significantly increased.
4, urine routine examination during pregnancy often fasting urine sugar positive.
5, repeated pregnancy risk of vulvovaginal candidiasis (or fungal vaginitis).
6, prior to pregnancy, there have been unexplained recurrent spontaneous abortion, intrauterine death, fetal malformation and so on.
7, had birth weight greater than 4 kg of fetus.
8, they have had gestational diabetes.
9, this time during her pregnancy, the fetus than the actual gestational age was found too large or there is too much amniotic fluid.
If pregnant women have the above, does not mean the pregnancy, gestational diabetes, a certain place, but to remind that they have risk factors, should receive screening in time to avoid delaying treatment.