Corresponding author
Quah Phaik Ling, Division of Obstetrics and Gynaecology in KK Women’s and Children’s Hospital (KKH), Singapore, 100 Bukit Timah Rd, Singapore 229899.
Email: quah.phaik.ling@kkh.com.sg
Telephone number: +65 97732543
Word count of manuscript: 4000
Word count of abstract: 249