https://www.sexualhealthwestsussex.nhs.uk/
Sexual Health Worthing has a number of services available and has both walk in clinics and pre bookable appointments. See below for the Sexual Health Worthing website and other useful links.
http://www.nhs.uk/Livewell/Sexandyoungpeople/Pages/Sex-and-young-people-hub.aspx
A website aimed at young people with information about sexual health
https://www.brook.org.uk/
A website aimed at young people with information about sexual health