Special Tutorial Programme Professor Deirdre Murphy Trinity College.

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Presentation transcript:

Special Tutorial Programme Professor Deirdre Murphy Trinity College

Obstetric ultrasound

Objectives First trimester Second trimester Third trimester Early pregnancy complications

Student exercise

Role of ultrasound scans - First trimester 6-12 weeks Second trimester weeks Third trimester weeks

First trimester Intrauterine pregnancy Viability Gestational age / Dating Number of fetuses Chorionicity Down’s screening Uterine abnormalities Pelvic abnormalities

Second trimester (18-20 weeks) Viability Dating Multiple pregnancy Fetal abnormality Liquor Placental site Placental perfusion