You may not know where to turn to, however there are many resources and people available to support you. Here are some useful websites:
AFASIC https://afasic.org.uk
ASLTIP https://asltip.com
ICAN https://www.icancharity.org.uk
Michael Palin Centre for Stammering https://michaelpalincentreforstammering.org
National Autistic Society https://www.autism.org.uk
RCSLT https://www.rcslt.org
Speech and Language Link https://speechandlanguage.link
Stamma https://stamma.org/about-stammering/what-is-stammering