Professional background

Dr Terry Segal has been a consultant in general paediatrics and adolescent medicine at University College Hospital London ( UCLH) since 2007. She is also subspecialty trained in paediatric and adolescent endocrinology. She is Clinical Lead for adolescent specialties at UCLH, and Co Leads Transition and developmentally appropriate healthcare for North Thames Paediatric Network(NTPN). 

She was convenor of RCPCH affiliated Young Persons Health Special Interest Group(YPHSIG) 2018-2021 and enjoyed working with others around the country to raise the voices speaking out with and for young people to improve their health. 

She is co-lead of the Pan London Post COVID service. She is particularly interested in working with young people with complex problems such as ME/CFS (Chronic Fatigue Syndrome), persistent physical symptoms, and those with chronic pain and emotional difficulties.  

She is passionate about improving young people's physical and mental health, and really enjoys working in a multidisciplinary team. She is asked to speak at national meetings and has published papers in the areas of adolescent written and clinical communication, HEADDSSS psychosocial interview, obesity, pubertal delay, CFS, acne and Post COVID condition. She has organised several successful adolescent courses.  

Research interests

  • Adolescence
  • Paediatric endocrinology (growth and puberty)
  • Chronic fatigue syndrome
  • Obesity Anorexia nervosa (medical aspects)Chronic medically unexplained symptoms
  • Post COVID syndrome in children and young people, ME/CFS 


Fifteen-minute consultation: Managing post-COVID-19 syndrome (long COVID) in children and young people. Wacks M, Wortley E, Gregorowski A, Segal TY, Whittaker E. Arch Dis Child Educ Pract Ed. 2023 Apr 20:edpract-2022-324950. doi: 10.1136/archdischild-2022-324950.  

Severe myalgic encephalomyelitis/chronic fatigue syndrome in children and young people: a British Paediatric Surveillance Unit study. Royston AP, Rai M, Brigden A, Burge S, Segal TY, Crawley EM. Arch Dis Child. 2023 Mar;108(3):230-235. doi: 10.1136/archdischild-2022-324319. Epub 2022 Dec 1. PMID: 36456114  

Key Features of a Multi-Disciplinary Hospital-Based Rehabilitation Program for Children and Adolescents with Moderate to Severe Myalgic Encephalomyelitis/Chronic Fatigue Syndrome ME/CFS. Hiremath S, Doukrou M, Flannery H, Carey C, Gregorowski A, Ward J, Hargreaves D, Segal TY. Int J Environ Res Public Health. 2022 Oct 20;19(20):13608. doi: 10.3390/ijerph192013608. PMID: 36294186  

The relationship between Post COVID symptoms in young people and their parents. Bertran M, Pinto Pereira SM, Nugawela MD, Stephenson T, Shafran R, Ford T, Buszewicz M, Whittaker E, Heyman I, Segal TY, Dalrymple E, Ladhani SN. J Infect. 2022 Dec;85(6):702-769. doi: 10.1016/j.jinf.2022.10.005. Epub 2022 Oct 8. PMID: 36216186 No abstract available. 

Discharge outcome analysis of 1089 transgender young people referred to paediatric endocrine clinics in England 2008-2021. Butler G, Adu-Gyamfi K, Clarkson K, El Khairi R, Kleczewski S, Roberts A, Segal TY, Yogamanoharan K, Alvi S, Amin N, Carruthers P, Dover S, Eastman J, Mushtaq T, Masic U, Carmichael P. Arch Dis Child. 2022 Jul 18:archdischild-2022-324302. doi: 10.1136/archdischild-2022-324302. Online ahead of print. PMID: 35851291 

Goal-based measurement in paediatric settings: implications for practice. Jacob J, Edbrooke-Childs J, Flannery H, Segal TY, Law D. Arch Dis Child. 2023 May;108(5):344-348. doi: 10.1136/archdischild-2021-322761. Epub 2022 Jun 9. PMID: 35680402 Review. 

Please write to me, not about me: best practice in written communication with young people. Parekh-Hill NA, Wood D, Davis M, Farooq A, Segal TY. Arch Dis Child. 2023 Apr;108(4):e5. doi: 10.1136/archdischild-2021-323393. Epub 2022 Mar 15. PMID: 35292432 No abstract available. 

Virtual Consultations: Young People and Their Parents' Experience. Proulx-Cabana S, Segal TY, Gregorowski A, Hargreaves D, Flannery H. Adolesc Health Med Ther. 2021 Apr 28;12:37-43. doi: 10.2147/AHMT.S292977. eCollection 2021. PMID: 33953629 Free PMC article. 

How fair is our service? Evaluating access to specialist paediatric care. Neale FK, Armstrong EJ, Cohen JM, Segal TY, Hargreaves DS. Arch Dis Child. 2019 Nov;104(11):1105-1107. doi: 10.1136/archdischild-2019-317254. Epub 2019 Jul 12. PMID: 31300409 

Illness duration, mood and symptom impact in adolescents with chronic fatigue syndrome/myalgic encephalomyelitis? Neale FK, Christie D, Hargreaves DS, Segal TY. Arch Dis Child. 2020 Sep;105(9):911-912. doi: 10.1136/archdischild-2018-316720. Epub 2019 Jun 13. PMID: 31196908 No abstract available. 

Child and adolescent chronic fatigue syndrome/myalgic encephalomyelitis: where are we now? Gregorowski A, Simpson J, Segal TY. Curr Opin Pediatr. 2019 Aug;31(4):462-468. doi: 10.1097/MOP.0000000000000777.PMID: 31045885 Review. 

Help-seeking behaviours, opportunistic treatment and psychological implications of adolescent acne: cross-sectional studies in schools and hospital outpatient departments in the UK. Desai KP, Martyn-Simmons C, Viner R, Segal TY. BMJ Open. 2017 Sep 21;7(9):e016964. doi: 10.1136/bmjopen-2017-016964. PMID: 28939579 Free PMC article. 

Fifteen-minute consultation: Communicating with young people-how to use HEEADSSS, a psychosocial interview for adolescents. Doukrou M, Segal TY. Arch Dis Child Educ Pract Ed. 2018 Feb;103(1):15-19. doi: 10.1136/archdischild-2016-311553. Epub 2017 Jun 14. PMID: 28615181 

Role of gonadotropin-releasing hormone and human chorionic gonadotropin stimulation tests in differentiating patients with hypogonadotropic hypogonadism from those with constitutional delay of growth and puberty. Segal TY, Mehta A, Anazodo A, Hindmarsh PC, Dattani MT. J Clin Endocrinol Metab. 2009 Mar;94(3):780-5. doi: 10.1210/jc.2008-0302. Epub 2008 Nov 18. PMID: 19017752 

Adolescence: what the cystic fibrosis team needs to know. Segal TY. J R Soc Med. 2008 Jul;101 Suppl 1(Suppl 1):S15-27. doi: 10.1258/jrsm.2008.s18005. PMID: 18607014 Free PMC article. No abstract available. 

Adverse psychological effects of corticosteroids in children and adolescents. Stuart FA, Segal TY, Keady S. Arch Dis Child. 2005 May;90(5):500-6. doi: 10.1136/adc.2003.041541. PMID: 15851433 Free PMC article. Review. 

Disturbed adrenal function in adolescents with chronic fatigue syndrome. 

Segal TY, Hindmarsh PC, Viner RM. J Pediatr Endocrinol Metab. 2005 Mar;18(3):295-301. doi: 10.1515/jpem.2005.18.3.295. PMID: 15813608 

Prevalence of the insulin resistance syndrome in obesity. Viner RM, Segal TY, Lichtarowicz-Krynska E, Hindmarsh P. Arch Dis Child. 2005 Jan;90(1):10-4. doi: 10.1136/adc.2003.036467. PMID: 15613503 Free PMC article 

Segal TY & Viner RM.  Adolescent Medicine. 3rd edition of Illustrated Textbook of paediatrics. Lissauer T. ed ( 2006)
Role of gonadotropin-releasing hormone and human chorionic gonadotropin stimulation tests in differentiating patients with hypogonadotropic hypogonadism from those with constitutional delay of growth and puberty.  TY Segal, A Mehta, A Anazodo, PC Hindmarsh, MT Dattani - Journal of Clinical Endocrinology and Metabolism, 2009: 2009: 94(3): 780-785 
Severe Insulin Resistance secondary to Insulin Antibodies: Successful treatment with the immunosuppressant Mycophenolate Mofetil (MMF); Segal T1, Webb EA1, Viner R1, Pusey C2, Wild G3, Allgrove .Paediatric Diabetes 2007; 9(3): 250-254
Fionnuala A Stuart, Terry Y Segal, and Simon Keady ; Adverse psychological effects of corticosteroids in children and adolescents. Arch Dis Child. 2005 May;90(5):500-6.Review
Viner RM, Segal TY, Lichtarowicz-Krynska E, Hindmarsh P; Prevalence of the Insulin resistance syndrome (IRS) in obesity. Arch Dis Child. 2005 Jan; 90(1):10-4.
Segal TY, Viner RM, Hindmarsh PC. Disturbed adrenal function in adolescents with chronic fatigue syndrome. J Pediatr Endocrinol Metab. 2005 Mar;18(3):295-301.and Arch Dis Child 2003; 88(SupplI): A8.)
Reid CJD, Segal T. Pulmonary thrombo-embolism in nephritic syndrome treated with tissue plasminogen activator. T.Eur.J Pediatr.1997 Aug; 156(8):647-9