This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gynae & OBS, Subject name: Medicine
Asthenospermia means: 
Select and explain. 
A. Immotile sperms, B. Absent sperms, C. Dead sperms, D. Dysmorphic sperms
A: Immotile sperms
Answer: A: Immotile sperms 
Explanation: Ans: A (Immotile sperms) Ref: Harrison's 18th edn.Explanation:Azoospermia - Absence of sperm in the ejaculate.Aspermia - Zero volume ejaculate.Oligospermia - Low numbers of sperm.Asthenospermia - Poor sperm motility.Teratospermia - Abnormal morphology (shape) of sperm.