Obstetric Scans

Imaging Guidelines for Referrers

Obstetric Scans

We offer the following scans:

  • Dating Scan < than 12 weeks
  • Nuchal Scan 12 weeks
  • Morphology Scan 20weeks
  • Morphology Scan over 22 weeks

The patient must be referred by a medical practitioner. One or more of the following conditions are present for:

  • Hyperemesis
  • Risk of foetal abnormality
  • Previous post dates delivery
  • Abdominal wall scarring
  • Inflammatory bowel disease
  • Advanced maternal age
  • Toxaemia of pregnancy
  • Significant maternal obesity
  • Previous caesarean section
  • Suspicion of ectopic pregnancy
  • Diminished symptoms of pregnancy
  • Previous pelvis or spinal trauma or disease
  • Pregnancy after assisted reproduction
  • Suspected or known uterine disease
  • Suspected or known cervical incompetence
  • Diabetes mellitus
  • Hypertension
  • Autoimmune disease
  • Alloimmunisation
  • Maternal infection
  • Bowel stoma
  • Drug dependency
  • Thrombophilia
  • Abdominal pain or mass
  • Liver or renal disease
  • Poor obstetric history
  • Risk of miscarriage
  • High risk pregnancy
  • Uncertain dates
  • Cardiac disease

Pregnancy Ultrasounds that are over 12 weeks, only one examination per trimester can be bulk billed unless referred by an obstetrician or GP Obstetrician.

Nuchal Translucency Scans

  • The patient is 11w2d-13w6d gestation, fetal development (not exceeding 1 service in any 1 pregnancy)
  • The patient is referred by a medical practitioner
  • The pregnancy (as confirmed by ultrasound) is dated by a crown rump length of 45 to 84mm
  • At least 1 condition mentioned above is present
  • Nuchal translucency measurement is performed to assess the risk of fetal abnormality
  • The service is not performed with item 55704

2nd Trimester Morphology Scan (17 to 22 weeks)

  • The patient is referred by a medical practitioner
  • The pregnancy (as confirmed by ultrasound) is 17 to 22 weeks of gestation

3rd Trimester Scan (over 22 weeks)

  • The patient is referred by a medical practitioner
  • The dating of the pregnancy (as confirmed by ultrasound) is after 22 weeks gestation

One or more of the following conditions are present:

  • Known or suspected fetal abnormality or fetal cardiac arrhythmia
  • Fetal anatomy (late booking or incomplete mid-trimester scan)
  • Malpresentation
  • Cervical assessment
  • Clinical suspicion of amniotic fluid abnormality
  • Previous complicated delivery
  • Uterine scar assessment
  • Uterine fibroid
  • Previous fetal death in utero or neonatal death
  • Antepartum haemorrhage
  • Clinical suspicion of intrauterine growth retardation
  • Reduced fetal movements
  • Suspected fetal death
  • Abnormal cardiotocography
  • Prolonged pregnancy
  • Premature labour
  • Fetal infection
  • Pregnancy after assisted reproduction
  • Trauma
  • Diabetes mellitus
  • Hypertension
  • Toxaemia of pregnancy
  • Liver or renal disease
  • Autoimmune disease
  • Cardiac disease
  • Alloimmunisation
  • Maternal infection
  • Inflammatory bowel disease
  • Bowel stoma
  • Abdominal wall scarring
  • Previous pelvis or spinal trauma or disease
  • Drug dependency
  • Thrombophilia
  • Significant maternal obesity
  • Advanced maternal age
  • Abdominal pain or mass