Spontaneous Resolution of Idiopathic Hydrops in One Twin of a Dichorionic Twin Pregnancy

Hydrops Fetalis can be due to immune or a variety of non-immune causes. Systematic evaluation of hydrops fetalis helps in finding the aetiology though it can be idiopathic in about one in five cases. Prognosis is generally poor though it varies based on the cause and select in utero treatments can help in improving the outcomes. Very rarely spontaneous resolution can happen. This usually is seen with parvo infections and sometimes with a few structural abnormalities. In some instances, resolution happens in idiopathic hydrops. In Dichorionic twin pregnancy, the cause of hydrops is like that of a singleton pregnancy. Here we report the case history of a Dichorionic twin pregnancy where hydrops was noted in in one of the twins at 20 weeks –possibly of idiopathic origin and spontaneous resolution occurred with good outcome.