A nurse is conducting a preconception class for a group of parents who are anticipating having children. Which client(s) should the nurse refer for genetic counseling? (Select all that apply)

C A woman planning to start a second family after the loss of an embryo following an in-vitro fertilization procedure. E A couple who plan to use in-vitro fertilization with donated sperm. A A couple who express concern about birth defects after using an internet DNA testing site. D A man who states that his father was recently diagnosed with Huntington's disease. B A woman and her significant other who are excited about the prospect of having children.