OG 2.2
Anatomy of the Female Pelvis
OG 3.8 Fetal Medicine
Class Senior Cycle 1
Course Obstetrics and Gynaecology
Code SC1 Obs
Title Multiple gestation
Date April 2020
Department of Obstetrics & Gynaecology
Department of Anatomy
Royal College of Surgeons in Ireland
, Learning Objectives
• To understand perinatal and maternal
outcomes with multiple gestation
• To discuss antepartum and intrapartum
management of multiple gestation
• To discuss problems unique to management
of multiple gestation
Department of Obstetrics & Gynaecology,
RCSI
, Skill objectives
• To obtain a history from at least one case of
multiple gestation
• To perform an abdominal examination on at
least three cases of multiple gestation
Department of Obstetrics & Gynaecology,
RCSI
, Incidence of Twins
• Monochorionic twinning stable at 3.5/1000
• Dichorionic twinning depends on race and
genetics
– Japan 6/1000
– Nigeria 40/1000
• Increasing
– Older mothers 1/3 of the increase
– ART 2/3 of the increase
Anatomy of the Female Pelvis
OG 3.8 Fetal Medicine
Class Senior Cycle 1
Course Obstetrics and Gynaecology
Code SC1 Obs
Title Multiple gestation
Date April 2020
Department of Obstetrics & Gynaecology
Department of Anatomy
Royal College of Surgeons in Ireland
, Learning Objectives
• To understand perinatal and maternal
outcomes with multiple gestation
• To discuss antepartum and intrapartum
management of multiple gestation
• To discuss problems unique to management
of multiple gestation
Department of Obstetrics & Gynaecology,
RCSI
, Skill objectives
• To obtain a history from at least one case of
multiple gestation
• To perform an abdominal examination on at
least three cases of multiple gestation
Department of Obstetrics & Gynaecology,
RCSI
, Incidence of Twins
• Monochorionic twinning stable at 3.5/1000
• Dichorionic twinning depends on race and
genetics
– Japan 6/1000
– Nigeria 40/1000
• Increasing
– Older mothers 1/3 of the increase
– ART 2/3 of the increase