Shinnosuke Yanagisawa, Yoichi Oikawa, Mai Endo, Kazuyuki Inoue, Ritsuko Nakajima, Shigemitsu Yasuda, Masayasu Sato, Naoko Iwata, Haruki Fujisawa, Atsushi Suzuki, Yoshihisa Sugimura, Masashi Isshiki, Akira Shimada
BACKGROUND: Gestational diabetes insipidus (DI) is a very rare complication of pregnancy. We present a case of gestational DI combining two different types of DI. Case Presentation . A 39-year-old pregnant woman suddenly presented with thirst, polydipsia, and polyuria after 31 gestation weeks (GWs). Based on laboratory findings of hypotonic urine (78 mOsm/kgH2 O) with higher plasma osmolality (298 mOsm/kgH2 O) and higher serum sodium levels (149 mEq/L), gestational DI was suspected, and the clinical course was monitored without therapy until the results of a measurement of plasma arginine vasopressin (AVP) levels were available...
2024: Case Reports in Endocrinology