The association between serum ghrelin levels and large-for-gestational-age fetuses in patients with gestational diabetes mellitus

We aimed to determine the relationship between serum ghrelin levels and large-for-gestational-age (LGA) fetuses in patients with gestational diabetes mellitus (GDM). A case-control study was conducted in 32 women with GDM and LGA fetuses (GDM+LGA group), 35 women with GDM and appropriate-for-gestational-age (AGA) fetuses (GDM+AGA group), 32 women with normal glucose tolerance (NGT) and LGA fetuses (NGT+LGA group), and 31 women with NGT and AGA fetuses (NGT+AGA group). All participants were recruited at the time of GDM diagnosis between 24 and 30 weeks of pregnancy. Participants also underwent ultrasonographic examinations. Serum ghrelin levels were significantly higher in GDM+LGA and GDM+AGA groups than in the NGT+AGA group. In the univariate model, biparietal diameter, head circumference, abdominal circumference (AC), femur length and ghrelin values were significant predictors of LGA fetuses. In the multivariate model, only AC remained as a predictor of LGA fetuses.