Antenatal Care And Screening Flashcards
What is taking in booking visit history?
Menstrual Medical Obstetric family Social
Examinations at booking visit?
Height Weight BP CVS Abdomen
Investigations done at booking visit?
Hb ABO, Rhesus Syphilis, HIV, hep B&C Urinalysis, MSSU C&S USS
Why USS at booking visit?
Confirm viability
Singleton / multiple pregnancy
Estimate gestational age
Detect anomalies
What examinations are done at follow up visits?
BP Urinalysis Symphysis- fundal height (SFH) Lie and presentation Engagement of presenting part Fetal heart auscultation,
What is placenta praevia?
When placenta is low lying, covering part or all of cervix
If an early USS shows placenta praevia, what is offered next?
Another USS at 32 weeks
What is involved in downs risk assessment in 1st trimester?
Measure skin thickness behind fetal neck by USS - Nuchal thickness - Measured 11-13+6 weeks
HCG and PAPP-A
CRL between 45-84mm
Downs assessment in 2nd trimester?
Blood sample - 15-20 weeks
HCG and AFP
What are specific diagnostic tests?
Amniocentesis
Chorionic villus sampling
When are mums screened for maternal anaemia?
At booking and 28 weeks
When are mums screened for ABO and Rhesus?
At booking at 28 weeks
Risk factors for gestational diabetes?
BMI >30 Previous macrosomic baby >4.5kg Previous gestational diabetes Farm history of diabetes Minority ethnic family origin with high prevalence of diabetes
What fasting plasma glucose is diagnostic of gestational diabetes?
> 5.6mmol/l
What 2hour plasma glucose level is diagnostic of gestational diabetes?
> 7.8mmol/l
What is measured to predict SGA of neonate?
Symphysis fundal height from 24 weeks onwards
If SFH is below 10th centile or slow/static growth, what is next action?
Ultrasound measurement of fetal size
Why is urinalysis done?
UTI
Asymptomatic bacteriuria
PET
Diabetes
Women at high risk of pre-eclampsia should do what?
> 75mg aspirin daily from 12 weeks until birth
High risk factors for PET?
Hypertensive disease during previous pregnancy Chronic kidney disease Autoimmune disease Type 1 or 2 diabetes Chronic hypertension