Special Tutorial Programme

Professor Deirdre MurphyTrinity College

Obstetric ultrasound

Objectives

First trimester

Second trimester

Third trimester

Early pregnancy complications

Student exercise

Student exercise

Role of ultrasound scans -

First trimester 6-12 weeks

Second trimester 18-20 weeks

Third trimester 28-42 weeks

First trimester

Intrauterine pregnancyViabilityGestational age / DatingNumber of fetusesChorionicityDown’s screeningUterine abnormalitiesPelvic abnormalities

Second trimester (18-20 weeks)

Viability DatingMultiple pregnancyFetal abnormalityLiquorPlacental sitePlacental perfusion