This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Abnormal labor, Subject name: Gynaecology & Obstetrics
All of the following are contraindications to tocolysis except. 
Select and explain. 
A. Chorloamnionitis, B. Fetal distress, C. Anencephaly, D. Placenta pre
D: Placenta pre
Answer: D: Placenta pre 
Explanation: Contraindications of Tocolysis : Chorioamniotis Advanced labour Abruption Pre-eclampsia Fetal distress IUD Pregnancy >34 weeks Congenital anomalies. Ref: Dutta Obs 7e pg 319.