Ans: B. VDRL for husband and wife(Ref Williams 24/e p358-359; Dutta 8/e p343, 7/e p167)VDRL:Simple test.Performed in initial work-up for all multiple aboion cases.All aboions are by 16th week while in syphilis, usually there is a improvement in the duration of pregnancy (Kassowitz Law).Kassowitz law:For untreated syphilis woman with series of pregnancies - Have lesser likelihood of infection of fetus from later pregnancies.