1. Public Health England. Sexually transmitted infections and screening for chlamydia in England, 2018. Health Protection Report, Vol 13, no. 19. 19 June 2019. https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/806118/hpr1919_stis-ncsp_ann18.pdf
2. Office for National Statistics. Conceptions in England and Wales: 2017. 2019. https://www.ons.gov.uk/peoplepopulationandcommunity/birthsdeathsandmarriages/conceptionandfertilityrates/bulletins/conceptionstatistics/2017
3. House of Commons Women and Equalities Committee. Sexual harassment and sexual violence in schools. Third report of session 2016-17. 2016 https://dera.ioe.ac.uk/27914/1/91.pdf.
4. Changes in, and factors associated with, frequency of sex in Britain: evidence from three National Surveys of Sexual Attitudes and Lifestyles (Natsal)
5. Surveys indicate a decline in sex among young adults in Britain