l.16 An above-average risk of breast cancer, for example, can be discovered though genetic testing; and some insurance companies now insist that female applicants reveal the results of such test, and raise their fees to cover the increased risk.
スラッシュは、カンマ、前置詞・接続詞の前に入れます。
An above-average risk of breast cancer, /for example, /can be discovered /though genetic testing; / some insurance companies now insist/that female applicants reveal the results of such test, /and raise their fees /to cover the increased risk.