<prompt> Virus responsible for non immune hydrops foetalis is?CytomegalovirusHerpes simplex virusHepatitis B virusParvovirus  <response>: Parvovirus is the commonest infectious etiology for hydrops foetalis. The other viruses implicated include Cytomegalovirus, Hepatitis B virus, Herpes simplex virus, Rubella virus and Adenovirus. Ref : Dutta book of obstetrics 8th Ed 