Semen Characteristics Associated With Fertility Flashcards
Appearance
Gray-white, opalescent, opaque
Volume
2-5 mL
Viscosity/liquefaction
Discrete droplets (watery) within 60 minutes
Motility
50% or more with moderate to rapid linear (forward) progression
Concentration
20 to 250 × 10^6sperm per mL
Morphology
14% or more have normal morphology
Vitality
75% or more are alive
Leukocytes
Less than 1 × 10^6 per mL
pH
7.2-7.8
Acid phosphatase (total)
≥200 U per ejaculate at 37°C (p-nitropheny|phosphate)
Citric acid (total)
≥52 umol per ejaculate
Fructose (total)
≥13 umol per ejaculate
Zinc (total)
≥2.4 umol per ejaculate
Sperm Motility Grading
Criteria
0 Immotile
1 Motile, without forward progression
2 Motile, with slow nonlinear or meandering progression
3 Motile, with moderate linear (forward) progression
4 Motile, with strong linear (forward) progression