Abbreviations
Abbreviations for the New Zealand Obstetric Ultrasound Guidelines
22q11.2 deletion | DiGeorge syndrome; a disorder caused by the deletion of a small piece of chromosome 22 |
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3VT | Three vessel and trachea |
4Ch | Four-chamber |
AC | Abdominal circumference |
AFI | Amniotic fluid index |
AIP | Abnormally invasive placenta |
ASD | Atrial septal defect |
AV | Atrioventricular |
AVSD | Atrioventricular septal defect |
BCA | Brachiocephalic artery |
βhCG | Beta human chorionic gonadotropin |
BPD | Biparietal diameter |
bpm | Beats per minute |
CAT | Common arterial trunk |
cc-TGA | Congenitally corrected transposition of the great arteries |
cfDNA | Cell-free DNA |
CHD | Congenital heart disease |
CPR | Cerebroplacental ratio |
CRL | Crown-rump length |
CSP | Cavum septum pellucidum |
CVS | Chorionic villus sampling |
DA | Ductus arteriosus |
DCDA | Dichorionic diamniotic |
DHB | District health board |
D-TGA | Complete transposition of the great arteries |
DV | Ductus venosus |
DVP | Deepest vertical pocket |
EDD | Estimated date of delivery |
EFW | Estimated fetal weight |
FGR | Fetal growth restriction |
FL | Femur length |
FMF | Fetal Medicine Foundation |
GA | Gestational age |
GAP | Growth Assessment Protocol |
GDM | Gestational diabetes mellitus |
HC | Head circumference |
HLHS | Hypoplastic left heart syndrome |
IAA | Interruption of the aortic arch |
IDDM | Insulin-dependent diabetes mellitus |
ISUOG | International Society of Ultrasound in Obstetrics and Gynecology |
IUCD | Intrauterine contraceptive device |
IUFD | Intrauterine fetal death |
IVC | Inferior vena cava |
IVF | In vitro fertilisation |
IVS | Interventricular septum |
LGA | Large for gestational age |
LLETZ | Large loop excision of the transformation zone |
LMC | Lead maternity carer |
LMP | Last menstrual period |
LSA | Left subclavian artery |
LV | Left ventricle |
LVOT | Left ventricular outflow tract |
MC | Monochorionic |
MCA | Middle cerebral artery |
MCDA | Monochorionic diamniotic |
MCMA | Monochorionic monoamniotic |
MFM | Maternal fetal medicine |
MoM | Multiples of the median |
MRI | Magnetic resonance imaging |
MSD | Mean sac diameter |
MSS2 | Second-trimester maternal serum screening |
MUAG | Maternity Ultrasound Advisory Group |
NIDDM | Non-insulin dependent diabetes mellitus |
NIPS | Non-invasive prenatal screening |
NSU | National Screening Unit |
NT | Nuchal translucency |
NZMFMN | New Zealand Maternal Fetal Medicine Network |
PA | Pulmonary artery |
PDA | Patent ductus arteriosus |
PET | Pre-eclampsia toxaemia |
PI | Pulsatility index |
PID | Pelvic inflammatory disease |
PPROM | Preterm premature rupture of membranes |
PROM | Premature rupture of membranes |
PSV | Peak systolic velocity |
PUL | Pregnancy of unknown location |
PV | Blood loss per vaginam (vaginal bleeding) |
RANZCOG | The Royal Australian and New Zealand College of Obstetricians and Gynaecologists |
RIF | Right iliac fossa |
ROI | Region of interest |
RUQ | Right upper quadrant |
RV | Right ventricle |
RVOT | Right ventricular outflow tract |
sFGR | Selective fetal growth restriction |
SFH | Symphysial-fundal height |
SGA | Small for gestational age |
SROM | Spontaneous rupture of membranes |
SVC | Superior vena cava |
T2DM | Type 2 diabetes mellitus |
TA | Transabdominal |
TAPS | Twin anaemia-polycythaemia sequence |
TGA | Transposition of the great arteries |
TIS | Thermal index in soft tissue |
TIB | Thermal index in bone |
TOF | Tetralogy of Fallot |
TOP | Termination of pregnancy |
TORCH | Toxoplasmosis, other (syphilis, varicella-zoster, parvovirus B19), rubella, cytomegalovirus – CMV – and herpes infections |
TRAP | Twin reversed arterial perfusion |
TTTS | Twin-to-twin transfusion syndrome |
TV | Transvaginal |
UA | Umbilical artery |
VSD | Ventricular septal defect |