Skip to main content
. 2021 Jan 19;108(2):309–323. doi: 10.1016/j.ajhg.2021.01.002

Table 2.

Semen characteristics and sperm morphology in men harboring hemizygous CFAP47 variants

Subject T115 II-1 T176 II-1 H025 II-1 MA2603 II-1 Reference limits
Semen parameter

Semen volume (mL) 4.0 0.9 5.2 5.6 1.5a
Sperm concentration (106/mL) 2.5 3.0 29.5 0.5 15.0a
Motility (%) 18.9 14.3 23.3 10.0 40.0a
Progressive motility (%) 7.1 8.1 18.5 5.0 32.0a

Sperm morphology

Absent flagella (%) 37.5 11.0 22.0 N/A 5.0b
Short flagella (%) 34.0 17.0 14.0 N/A 1.0b
Coiled flagella (%) 18.5 42.0 50.5 N/A 17.0b
Angulation (%) 3.5 5.0 2.0 N/A 13.0b
Irregular caliber (%) 6.5 6.5 3.5 N/A 2.0b

N/A, not available.

a

Reference limits according to the WHO standards.35

b

Reference limits according to the distribution range of morphologically normal spermatozoa observed in 926 fertile individuals.36