What is a risk factor for developing polyhydramnios during pregnancy?

Polyhydramnios, the condition characterized by an excess of amniotic fluid surrounding the fetus, can have various underlying causes and risk factors. One of the prominent risk factors for developing polyhydramnios is poorly-controlled maternal diabetes mellitus. When maternal diabetes is not well-managed, it can lead to fetal hyperglycemia and subsequent polyuria in the fetus, which increases the volume of amniotic fluid produced. This mechanism directly contributes to the overaccumulation of amniotic fluid and can result in polyhydramnios.

In this context, poorly-controlled diabetes can significantly increase the risk of complications both for the mother and the fetus, highlighting the importance of effective glucose management during pregnancy. Proper monitoring and control of diabetes are essential to mitigate the risks associated with polyhydramnios and ensure the health of both the mother and the developing fetus. This relationship makes poorly-controlled maternal diabetes mellitus a critical risk factor in the development of this condition.