What is the best response a coach should give when asked by a client's parents about their daughter's progress without the client's consent?

The most appropriate response from a coach when asked about a client's progress by their parents without the client's consent is to indicate that discussing any information related to coaching or clients requires prior written consent from the client. This response upholds the principles of confidentiality and client autonomy, which are fundamental in coaching practices.

Maintaining confidentiality is crucial in establishing trust and a safe environment for clients. Coaches must respect their clients' privacy and ensure that any information shared about them is done so with explicit permission. This not only aligns with ethical standards in coaching but also reinforces the importance of the client's control over their personal information and progress discussions.

The other responses suggest varying degrees of potential breaches of confidentiality. For instance, offering to have a meeting with the client present or checking with the client later could introduce ambiguities about privacy and consent. It is vital for coaches to adhere strictly to confidentiality guidelines, solidifying the client’s trust and fostering a more effective coaching relationship.