Male fertility Flashcards
What is the normal volume of sperm?
Greater than or equal to 1.5 ml
What is the normal pH for sperm?
Greater than or equal to 7.2
What is the normal concentration of sperm?
Greater than or equal to 15 million spermatozoa per ml
What is the normal value for the total number of sperm per ejaculate?
39 million spermatozoa per ejaculate or more
What proportion of sperm need to be motile for the sample to be considered normal?
40% or more motile
What proportion of sperm need to be progressively motile for the sample to be considered normal?
32%
What proportion of sperm need to be alive for the sample to be considered normal?
58% or more live spermatozoa
What proportion of sperm need to have normal morphology for a sample to be considered normal?
4% or more
How many spermatozoa are produced each day?
300 million