A case of pregnancy with severe polyhydramnios related to long‐term use of lithium

Severe polyhydramnios during pregnancy may be associated with long-term lithium use and presents considerable challenges. This complication, which has been linked to induced nephrogenic diabetes insipidus (NDI), underscores the necessity for cautious management of pregnant women with bipolar disorder. This case report aims to elucidate the relationship between long-term lithium use, pregnancy, and the development of severe polyhydramnios, emphasizing the importance of diagnosing NDI in order to prevent obstetric and neonatal complications.