In the ROC however, "there are too many people doing sperm separation." Ko Tsang-ming says it is an open secret among gynecologists that the technique is a big money-spinner for physicians in private practice. But few doctors are willing to point out that sperm separation is not actually 100 % effective for gender selection, for fear of harming their colleagues financially.
在國內，精子分離術「做的人太多了」，柯滄銘說，它讓許多開業醫師賺大錢，是婦產科醫師之間公開的秘密，但很少醫師願意指出精子分離術其實對鑑定性別並無百分之百的成功機率，因為不願擋人財路。