Dr Ang Xiaohong Joella

Dr Joella Ang graduated from Yong Loo Lin School of Medicine, National University of Singapore in 2012 and embarked in training with the SingHealth Obstetrics and Gynaecology Residency Programme in 2013. She received her MRCOG(UK) and MMed Obstetrics & Gynaecology (Singapore) in 2017/2018. In 2020, Dr Ang was accredited as a Specialist in Obstetrics & Gynaecology, with subspecialty training in the treatment of gynaecological cancer. She believes in education and mentoring of her juniors and is involved in various education projects. She strives for clinical and academic excellence in the field of Obstetrics and Gynaecology and provide the best care to her patients.

• MMed (O&G) Singapore 2018
• MRCOG (UK) 2017
• MRCS (Edinburgh) 2015
• MBBS (Singapore) 2012

• Asia & Oceania Federation of Obstetrics & Gynaecology (AOFOG) Oncology Committee, Member
• College of Obstetricians & Gynaecologists, Academy of Medicine, Singapore, Council Member
• Obstetricial and Gynaecological Society of Singapore, Council Member
• Society of Colposcopy & Cervical Pathology Singapore, Council Member

• Singapore General Hospital – Service With A Heart Award 2024
• SingHealth Service Quality Award (Gold) 2024
• Singapore General Hospital - Long Service Award (10 Years) 2023
• SGH Division of Surgery & Surgical Oncology: Service Award (Individual) 2023
• SingHealth Service Quality Award (Silver) 2023
• Singapore General Hospital – Service With A Heart Award 2022
• Singapore General Hospital – Service With A Heart Award 2021
• SingHealth Service Quality Award (Silver) 2020

• Yong Loo Lin School of Medicine – Dean’s Award for Teaching Excellence 2024
• SingHealth Residency (RISE) – Outstanding Faculty Award (O&G) 2023
• SingHealth Residency (RISE) – Outstanding Faculty Award (PGY1) 2022
• Yong Loo Lin School of Medicine – Junior Doctor Teaching Award 2020

• Asia & Oceania Federation of Obstetrics & Gynaecology (AOFOG) Gynaecological Oncology Surgical Video Competition – First Place Award 2024

Comparison of Clinical Efficacy of Liquid-Based Cytology and High-Risk Human Papillomavirus Testing With Partial Genotyping in Cervical Screening of Women Below 30 Years Old
JX Ang, SK Tay
Cancer Control 2025 Volume 32: 1–9
journals.sagepub.com/doi/10.1177/10732748251336414 

vNOTES hysterectomy with a homemade glove port: Initial experience in Singapore
W Heng, WJB Khaw, YCH Chan, Y Tang, JX Ang, YWY Wong, R Nadarajah
Ann Acad Med Singap 2025;54:195-7
https://annals.edu.sg/vnotes-hysterectomy-with-a-homemade-glove-port-initial-experience-in-singapore/

Transvaginal natural orifice transluminal endoscopic surgery hysterectomy in patients with body mass index >50: An Asian experience
W Ng, NA Lim, JX Ang, YWY Wong, R Nadarajah
J Obstet Gynaecol Res 2024 Oct 2
doi: 10.1111/jog.16105

Vaginal Natural Orifice Transluminal Endoscopic Surgery (vNOTES) right hemicolectomy with intracorporeal anastomosis for cecal cancer
I Seow-En, ME Villanueva, AWM Seah, EJKW Tan, JX Ang
Techniques in Coloproctology 2024; 28:108

Intraoperative frozen section evaluation of ovarian sex cord-stromal tumours and their mimics: a study of 121 cases with emphasis on potential diagnostic pitfalls.
Z Zhao, SL Wong, JKS Chng, JX Ang, GH Lim, J Li, L Zeng, HM Chua, NT Ngo, CL Cheng, PH Tan, R Shi
Pathology 2024;
https://www.pathologyjournal.rcpa.edu.au/article/S0031-3025(24)00146-6/abstract

A Multi-centre randomised controlled trial comparing megestrol acetate to levonorgestrel-intrauterine system in fertility sparing treatment of atypical endometrial hyperplasia

CSY Goh, MJM Loh, Lim WW, JX Ang, R Nadarajah, Yong TT, PSY Tong, YC Yeo, JWL Phoon
J Assist Reprod Genet 2024 Sep;41(9):2485-2494. doi: 10.1007/s10815-024-03172-z. Epub 2024 Aug 31.

Transvaginal versus Transabdominal Specimen Extraction in Minimally Invasive Surgery: A Systematic Review and Meta-Analysis
JEC Hui, HY Xu, Y Zhao, IJY Wee, JX Ang, EKW Tan, I Seow-En
Langenbecks Arch Surg 2024 Jun 3;409 (1):172. Doi:10.1007/s00423-024-03361-5

Sertoli-Leydig cell tumour as a cause for elevated 17-OH Progesterone
NYY Chong, JJL Wong, JX Ang, AYL Lim
JCEM Case Rep. 2024 Feb; 2(2) doi: 10.1210/jcemcr/luae013

Clinical efficacy of primary human papillomavirus (HPV) screening with partial genotyping for HPV-16 and HPV-18 subtypes in women from 25 years old
JXH Ang, Lee WY, SK Tay
Ann Acad Med Singap 2023;52:259-67
https://annals.edu.sg/clinical-efficacy-of-primary-human-papillomavirus-hpv-screening-with-partial-genotyping-for-hpv-16-and-hpv-18-subtypes-in-women-from-25-years-old/

A Comparison of Awareness, Attitudes and Knowledge on Human Papilloma Virus (HPV) Vaccination in Singapore: 2019 versus 2013
M Kwek, J Ang, M Mathur, CL Kho
Singapore Medical Journal 2023
https://journals.lww.com/smj/fulltext/9900/comparison_of_awareness,_attitudes_and_knowledge.13.aspx

Does 360° Multisource Feedback Influence the Obstetrics and Gynaecology Residency Selection Process?
JX Ang, JCS Lee, F Ang, W Lim, M Mathur
MedEdPublish 2019; 8[3], 71
https://mededpublish.org/articles/8-220

Resident Quality Improvement Project: Antenatal Magnesium Sulfate Protocol for Fetal Neuroprotection in Preterm Births
Joella Ang Xiao Hong and Manisha Mathur
Obstetrics & Gynaecology International Journal 2017, Volume 5 Issue 5


Mortality among Offspring of Women Diagnosed with Cancer, a Population-Based Study
Helena M Verkooijen, Joella X. Ang, Jenny Liu, Kamila Czene, Agus Salim, Mikael Hartman
International Journal of Cancer 2013, Volume 132 Issue 10