<prompt> Hydrops fetalis is associated with?Hepatitis BParvovirus B 19MalariaTuberculosis  <response>: ANSWER: B Parvovirus B 19REF: Williams Obstetrics 22nd edition Table 29-8, Harrisons Internal Medicine 17th edition Chapter 177. Parvovirus InfectionsB19 infection during pregnancy can lead to hydrops fetalis andor fetal loss. The risk of transplacental fetal infection is 30, and the risk of fetal loss predominantly early in the second trimester is 9. The risk of congenital infection is 1.Infections causing non-immune hydrops:CytomegalovirusToxoplasmosisSyphilisCongenital hepatitisRubellaParvovirus B 19LeptospirosisChagas disease 