Fertility is impaired when a male's sperm count drops below ____ sperm per milliliter of semen, and the male is considered sterile if his sperm count drops below ____ sperm per milliliter of semen.
A) 500 million; 200 million
B) 100 million; 50 million
C) 35 million; 20 million
D) 2 million; 1 million
E) 500,000; 100,000

Question

Quizplus · Accepted Answer

Fertility is generally impaired when a male's sperm count drops below 15 million sperm per milliliter of semen, and a count below 5 million per milliliter is often considered indicative of severe infertility or sterility. However, the specific numbers provided in the choices do not match these exact thresholds. Among the given options, choice C (35 million; 20 million) is the closest to the medically recognized thresholds, despite the exact figures not aligning with the standard medical definitions.

Fertility Is Impaired When a Male's Sperm Count Drops Below