FIELD: medicine.SUBSTANCE: invention relates to medicine, namely obstetrics, and can be used to select obstetric tactics in pregnant women with diabetes mellitus. To do this, in the serum of the pregnant woman at 37–38 weeks of gestation, the level of IL-1β and oxytocin. With their ratio of 4.1 and above, a decision is made about delivery by caesarean section.EFFECT: use of this method allows timely implementation of adequate obstetric tactics in order to reduce the risk of complications in the mother and fetus.1 cl, 3 ex