This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Infeility (Eggs'plantation!), Subject name: Gynaecology & Obstetrics
Post coital test detects all of the following, except: 
Select and explain. 
A. Fallopian tube block, B. Cervical factor abnormality, C. Sperm count, D. Sperm abnormality
A: Fallopian tube block
Answer: A: Fallopian tube block 
Explanation: Also called Sims Huhner's Test, Sperm cervical mucus interaction test Check the presence of Active sperms in the cervical mucus, To test the Sperm survival and behavior many hours after intercourse, Check Antisperm Antibody, Sperm motility, Sperm Count, 6 to 10 hours post coital, is the best time to check both sperm density and longevity.