<prompt> All are true regarding Idiopathic edema of woman except-It is due to estrogen mediated sodium retentionIt is not related to menstrual cycleThere is increased water retention in upright positionACE inhibitors can be useful in some cases  <response>: Idiopathic edema is a common cause of fluid retention and swelling edema in women. Idiopathic means that the cause of this condition is unknown. Idiopathic edema occurs in the absence of hea, kidney, or liver disease. It is often associated with diabetes, obesity, and emotional problems Ref Davidson 23rd edition pg 369 