There are many definitions of internal control, as it affects the various constituencies (stakeholders) of an organization in various ways and at different levels of aggregation.
Usually, the range is $35-$50 per specimen. Banks often require a six-month gap between production and complete payment. That is, they will not release payments to a sperm donor until he has completed the second set of blood tests; six months after the first set were done.
Fully qualified sperm donors are expected to donate at least once per week. However, we encourage our fully qualified donors to visit the office 2-3 times per week. The length of time in the program may vary, but, generally, we expect our sperm donors to be actively participating for 9-12 months.