Indicators of prolonged hospital stay in hyperemesis gravidarum.

Hyperemesis gravidarum (HG) occurs in 0.3% to 2% of all pregnancies and was found to be the second most common indication for admission in pregnant women who later gave birth to a live infant [1]. The present study aimed to determine the ability of the main laboratory indicators of hyperemesis gravidarum severity to predict hospital stay at first hospitalization. Records taken in 2004 of the first hospitalization of 192 pregnant women with confirmed HG were reviewed. Routine laboratory work on admission included performing full blood cell count, pelvic ultrasonography, and urine microscopy; checking for ketonuria; and assessing renal function, thyroid function, and often liver function, depending on