Antenatal care Flashcards
When is the booking visit?
10-12 weeks after LMP
What examinations should be performed at the booking visit?
Height Weight BP CVS Abdo exam
Which viruses should be screened for at the booking visit?
Syphillis
Rubela
HIV
Hep B & C
What blood tests should be done at the booking visit?
Hb
ABO & Rhesus
Glucose
What assessments should be performed at follow up visits?
BP & urinalysis Symphisis-fundal height Lie & presentation Engagement of presenting part Foetal heart auscultation
What is the triple test and when is it done?
Tests aFP, hCG & unconjugated estriol (sometimes inhibin A is added)
Done at 16 week visit
Detects chromosomal abnormalities & neural tube defects
How often do pregnant women have to visit the antenatal clinic?
Booking visit = 10-12 weeks
16 weeks then every 4 weeks till 28 weeks
30 weeks then every 2 weeks till 36 weeks
37 weeks then every week till delivery
When is Anti-D given if the patient is Rhesus negative?
28 weeks & 34 weeks
How is gestational age calculated from an ultrasound from 10 weeks - 13 weeks 6 days?
crown-rump measurement
Head circumference if crown-rump measurement is > 84mm
If the placenta is found over the cervical os at he 18-20 week US what should be offered?
Another US scan at 32 weeks
By how many weeks if delivery has not happened when should induction be offered?
41 weeks
What is a robertsonian translocation?
When 2 acrocentric chromosomes are stuck end to end
How are samples taken fro genetic analysis from 11.5-16 weeks?
Chorionic villus biopsy
How are samples taken for genetic analysis from 16+ weeks?
Amniocentesis
What is the method of analysis used for firt line investigation looking for Downs syndrome?
aCGH (detects chromosome imbalance)
