Antenatal Results and Choices - UK Charity offering advice and support for those considering, going through or making decisions based on the results of tests.
BBC - Health - Sexual health - Includes details of conditions and diseases, screening, contraception, fertility and contact details for organisations.
British Society for Sexual Medicine - Professional organisation informs about research activities and annual meetings; includes application form for new members.
Brook Advisory Centres - Confidential sex advice to all young people. Includes advice for under-16s and a clinic locator option.
Bure Clinic, Genitourinary Medicine Service - Information about male and female sexual health from the James Paget Healthcare NHS Trust, Norfolk. Also contains information about the clinic itself for future visitors.
Condom Essential Wear - Promoting condom usage with information and a quiz about some sexually transmitted infections.
Daisy Network - Registered UK charity supporting those effected by premature menopause.
Family Planning Service - Help and information about contraception and sexual health. Includes a facility to search for local clinics.
HER Trust - Charity promoting an evidence-based, holistic and supportive approach to women's reproductive health through education and research.
Like It Is - Information for teenagers about sex and other adolescent issues. Topics include puberty, peer pressure and contraception. Includes a glossary of sexual terms and expressions.
NetDoctor.co.uk - Articles and advice about relationships, sex and contraception. Includes 'Ask a question' feature.
RU Thinking About It? - Provides straight forward sex advice for teenagers including common myths, condom advice and local contact centres.
School of ICASA Enhanced Sexuality - Sexual surrogacy centre for men and women with psychogenic sexual difficulties, based in London. Includes descriptions of surrogate partner sessions and details of home sexual healing courses.
Society of Sexual Health Advisers - Information about sexually transmitted infections and related conditions, and where to get help and advice. Online forums for both members and non-members.