MND does not usually affect sexual function, but a diagnosis can raise concerns about maintaining sexual expression and intimacy.
Many people find this a sensitive subject to talk about, either with their partner or a health professional. However, open discussion can be very helpful, as an illness or disability of any kind is likely to affect how we feel about ourselves, as well as movement and mobility.
There are various approaches to support you with your concerns and physical aids that may assist. Try to talk to a member of your health team with whom you feel comfortable. They will be able to suggest helpful resources or refer you to someone for appropriate support.