Excessive neonatal birth weight with its increasing figures complicates obstetrical management as well as outcome severely and is associated with gestational diabetes and maternal obesity. The increase in pregnancies complicated by maternal obesity and gestational diabetes emphasizes the necessity of evidence-based clinical interventions to prevent or decelerate these diseases. If prenatal care is not frequented by mothers-to-be there are no options open for obstetricians to detect fetal macrosomia and to intervene.