Tan Hak Koon

Associate Dean, Residency Education, Academic Development Department (ADD), Office of Academic and Clinical Development (OACD), Duke-NUS Medical School

Chair, Obstetrics & Gynaecology Academic Clinical Programme

Clinical Associate Professor, Duke-NUS Medical School

Chairman, Division of Obstetrics and Gynaecology, KK Women's and Children's Hospital

Designated Institutional Official, SingHealth Residency

Senior Consultant, Department of Obstetrics & Gynaecology, Singapore General Hospital

Clinical Associate Professor Tan Hak Koon is Senior Consultant with the Department of Obstetrics & Gynaecology, Singapore General Hospital.

Besides general obstetrics and gynaecology, he specializes in high risk pregnancy and as well as ultrasound scans.  He is a Clinical Associate Professor for NUS Yong Loo Lin School of Medicine, as well as Clinical Associate Professor for Duke-NUS Medical School.

Clinical Associate Professor Tan Hak Koon is also the Designated Institutional Official (DIO), SingHealth Residency from 1 June 2018. He was also the President for College of Obstetrics & Gynaecology Singapore from 2013 to 2015.

Professional Appointments and Committee Memberships: 

  • Chief, Section of Fetal Maternal Section (O&G), (2003-Present)
  • Member, Section of Maternal Fetal Medicine (College of O&G Singapore), (2005-Present)
  • Examiner, MBBS (O&G), National University of Singapore (1999 - Present)


  • Asean Scholarship (Public Service Commission), Singapore
  • PS 21 Star Service Award (2008)
  • SGH CEO Service Quality Award (January 2007)
  • SGH Heart of Gold Award (August 2006)
Selected Publications:
Female adnexal tumour of Wolffian origin presenting as a pouch of Douglas mass: a case report and literature review.  Chua D1, Lee LS2, Tan HK3, Chew MH1, ANZ J Surg. 2017 Dec 20. doi: 10.1111/ans.14334.

Authors' reply re: Starting a Uterus transplantation service: Notes from a small island. Tan HK1, Tan BK2, Tan LK1, Olofsson JI3,4, Dahm-Kähler P5, Brännström M5. BJOG. 2018 Mar;125(4):516. doi: 10.1111/1471-0528.15019. Epub 2017 Dec 11.

Starting a uterus transplantation service: notes from a small island. Tan HK1, Tan BK2, Tan LK1, Olofsson JI3,4, Dahm-Kähler P5, Brännström M5. BJOG. 2018 Mar;125(4):404-406. doi: 10.1111/1471-0528.14968. Epub 2017 Nov 17. 

The assessment of combined first trimester screening in women of advanced maternal age in an Asian cohort., Li SW, Barrett AN, Gole L, Tan WC, Biswas A, Tan HK, Choolani M1. Singapore Med J. 2015 Jan;56(1):47-52. 

Challenges in the management of a rare case of extensive retroperitoneal haemangioma in a pregnant woman. Tan SQ1, Lim JS, Tan YR, Tan HK. Singapore Med J. 2014 Nov;55(11):e177-9

Why we do caesars: a comparison of the trends in caesarean section delivery over a decade. Wang CP1, Tan WC, Kanagalingam D, Tan HK. Ann Acad Med Singapore. 2013 Aug;42(8):408-12.

Caesarean Section Scan Pregnancy : A case series at a single tertiary centre. Pang YP, Tan WC, Yong TT, Koh PK, Ho TH, Tan HK: Singapore Medical Journal, 2012 Oct : 53(10) : 638-642

Rapid Aneuploidy Screening with Fluorescence In-Situ Hybridization: Is It a Sufficiently Robust Stand alone test for medical diagnosis. Lim AS, Lim TH, Hess MM, Kee SK, Lay YY, Tan HK, Tan AS, Sanger WS, Hong Kong Medical Journal 2010, Dec 16(6): 427-433

Dilemmas in Management of Brain Tumours in Pregnancy, Lew PS, Tan WC, Tan WK, Tan HK, Annal Acad Med Singapore 2010; Jan 39(1): 64-65

Massive postpartum haemorrhage after uterus-conserving surgery in placenta percreta: The danger of the partial placenta percreta, SBL Teo, Devendra K, HK Tan, LK Tan, BJOG 2008 ; 115(6) : 789-92

Ovarian Carcinoma Presenting with Isolated Contralateral Inguinal Lymph Nodes Metastasis – A Case Report, Ang D, Ng KY, Tan HK, Chung AY, Yew BS, Lee VK, Annal Acad Med Singapore 2007; June 36(6): 427-430