'Personal, Social, Health and Economic Education: preparing pupils for the challenges, opportunities and responsibilities of life' PSHE Association.

Please see the below links for additional information:

Understanding Relationships and Health Education in your child’s primary school: a guide for parents

https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/907638/RSE_primary_schools_guide_for_parents.pdf 

Relationships education, relationships and sex education (RSE) and health education: FAQs

https://www.gov.uk/government/news/relationships-education-relationships-and-sex-education-rse-and-health-education-faqs 

Relationships Educations, Relationships and Sex Education (RSE) and Health Education Statutory guidance for schools

https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/908013/Relationships_Education__Relationships_and_Sex_Education__RSE__and_Health_Education.pdf