The Eight of Cups reversed represents a feeling of confusion and insecurity, indicating that you don't know what is going on or what can happen regarding your mother's health. It can also be interpreted as a difficulty making decisions, and the need to look around to see what solution might be more suitable in the case of your mother's health.
The Hierophant reversed represents your mother's lack of understanding and awareness regarding her health. It may indicate that while there may be a health problem, you have not fully understood it. It could also mean that you are ignoring a health problem that could be impacting your quality of life.
The reversed Hermit represents a time when it is important to rely on your intuition to find an adequate solution. This means that your mother will have to listen to her body and make informed decisions about how to deal with any health problems she may encounter in the coming months.
The cards seem to suggest that your mother's health may not be optimal in the coming months, but that the informed choices she makes can improve things. Therefore the most likely answer to the question is "I don't know," as the cards don't clearly indicate whether your mother's health will improve or deteriorate in the coming months.