A G6+0+0 lady with h/o recurrent missed aboions at 14-16 weeks comes to you with a missed aboion at 12 weeks. Which of the following tests is not warranted?
Lupus anticoagulant
VDRL for husband and wife
Anticardiolipin antibody
Fetal karyotype
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.