This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Abortion, Subject name: Gynaecology & Obstetrics
McAfee and Johnson regimen is used for: 
Select and explain. 
A. Eclampsia, B. Placenta previa, C. Placental abruption, D. Placenta accrete
B: Placenta previa
Answer: B: Placenta previa 
Explanation: Ans. (b) Placenta previaRef.: D.C. Dutta 8th ed. / 290, Williams 22nd ed./822-823* MacAfee and Johnson Regimen is a Conservative Management in Placenta Previa: This consists of complete bed rest, tocolysis, and close observation of patient.* Steroids are generally given to enhance lung maturity.* To undertake this regimen (to wait and watch) all three criteria should be fulfilled:# Mother should be hemodynamically stable# There should be no fetal distress# Pregnancy less than 36 weeks of gestation.* If any of the criteria is not met then the patient should be delivered by LSCS.Also Know* Classification of abruption placentae:/ classification* Zuspan regimen for the treatment of eclampsia using Magnesium sulphate* Other regimens using MgSO4 for treatment of eclampsia are# Pritchard s regimen# Sibai regimen* Most appropriate treatment of eclampsia: MgSO4