Professor Yeo organized the First International Scientiﬁc Meeting of ISUOG in 2004, started the ﬁrst Singapore ISUOG-Outreach Course in 2005 and directed the programmes at the ISUOG Teaching and Training Centre in Singapore. He chaired the ISUOG World Congress in Singapore in 2018 and he is the organising Chairman of the annual Singapore ISUOG Approved Course for the last 15 years.
Professor Yeo is an early pioneer of Maternal Fetal Medicine in Singapore. His pursuit of excellence has led to many merits including high practice standards in:
1. Obstetrics ultrasound- screening, diagnosis and intervention.
2. Antenatal invasive procedures such as
a) amniocentesis and chorionic villous sampling,
b) Fetal blood sampling and fetal transfusion,
c) Laser photocoagulation for the treatment of Twin-to-Twin Transfusion,
d) Fetal chest shunting and other fetal surgery like cord ligation etc.
3. The care for High Risk Pregnancy
a) Management of intra-uterine growth restriction,
b) Prevention of severe pre-eclampsia and eclampsia,
c) Prevention of postpartum hemorrhage,
d) Rescue Cerclarge for cervical incompetence
*Professor Yeo was the Director of Antenatal Diagnostic Centre, KK Hospital from 1993- 2019. He was the ﬁrst clinician to successfully conduct in-utero fetal transfusion and laser photocoagulation for Twin-to-Twin Transfusion in Singapore and is still among the very few clinicians proﬁcient at these procedures here.