Get Ahead - Antenatal Screening Flashcards
What test would you order to give parents a definitive diagnosis as to whether their baby has Down’s syndrome as they may consider terminating the pregnancy if an abnormality is found?
- CVS is a diagnostic test - it will give a definite answer rather than risk of a condition being present.
- A chorionic villus (placental) biopsy is taken either transabdominally or transcervically under ultrasound guidance and the cells analysed.
- It is performed between 11 and 14 weeks (which is why it is appropriate
A 24 year old woman is at 12 weeks gestation. She would like to know whether there has been any gross anatomical deformities of the fetus. Also her sister has twins and she sould like to know if her current pregnancy involves more than one baby. What investigation would you order?
A 35 year old woman and a 45 year old man have been given a result of 1:200 for a triple test done at 17 weeks’ gestation. They would like definite clarification as to whether or not the baby will be born with Down’s syndrome . What test would you order?
What test would you order for a 25 year old woman would like a non-invasive initial assessment for Down’s syndrome and spine bifida? She is at 16 weeks’ gestation.
A 34 year old pregnant woman had congenital heart disease as a child. She would like to have her baby’s heart investigated for a similar problem - what test would you order?
