This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
Post coital test showing non motile sperms in the cervical smear and Motile sperms from the posterior fornix suggests: 
Select and explain. 
A. Faulty coital practice, B. Immunological defect, C. Hypospadias, D. Azoospermia
B: Immunological defect
Answer: B: Immunological defect 
Explanation: Post coital test showing non motile sperms in the cervical smear and motile sperms in the posterior forix suggest that the sperms are normal and motile when they reach forenix. After that in cervix they become inmotile, i.e antisperm artibodies are present in the cervix, i.e imunlogical defect seen.