Women's Health Flashcards
(319 cards)
When should you take folic acid during pregnancy and why?
Before pregnancy ideally - up until 12 weeks pregnant
You cannot get enough of it through diet during pregnancy
Helps prevent risk of neural tube defects - e.g spina bifida, cleft palate
What is the normal dose of folic acid mothers should take when pregnant?
400micrograms daily
When would you take a higher dose of 5mg folic acid?
If you have a previous baby with neural tube defect
If you or your partner have a neural tube defect
If you are taking an antiepileptic medications
If you have diabetes, obesity or Crohn’s disease
When is the booking appointment and what is done there?
8-10 weeks pregnant
Full history taken and risk is assessed
When is the dating scan and what is done there?
12 weeks
Scan is able to date the pregnancy (give a due date)
Measurements are taken from the nuchal fold for downs test
When does anomaly screening happen and what is involved?
12 weeks
Test for Down’s syndrome
Triple test: nuchal translucency measurement (from sca) PAPP-A and beta HCG
If the screening for Down’s syndrome is deemed high risk then how can it be diagnosed?
Amniocentesis - 2% risk of miscarriage
Chorionic villus sampling - 1% risk of miscarriage
NIPT (non invasive prenatal blood test) - this is not on NHS currently but carries less risk of miscarriage
When does the anomaly scan happen?
18-20 weeks
When would a mother be offered the OGTT at 26 weeks?
If she is at risk for developing GDM: BMI >30 Ethnic origins - black African, Indian Family history of diabetes PCOS Previous macrosomia Previous GDM
What is a normal OGTT?
<5.1 fasting
<7.8 2 hour after glucose drink
When is anti D given?
To all Rhesus negative mothers
At 28 weeks (prophylactic dose)
At 34 weeks
48 hours after delivery
What is the role of oestrogen during pregnancy?
It increases the amount of oxytocin receptors within the uterus to prepare the body for delivery
It helps develop the breast tissue for feeding
What is the role of progesterone during pregnancy?
Acts as a smooth muscle relaxant
Maintains the uterus lining
Causes enlargement of the breast lobules - for milk to be secreted into
When does beta HCG peak during pregnancy?
At 8 weeks
What blood tests are offered prior to pregnancy?
FBC - check for anaemia
G&S - check blood group (looking for rhesus anti D)
Virus screen - Hep B, syphilis, HIV
When is the quadruple test used and what is it?
Testing for Down’s syndrome
If you are too late for the combined test (between 14-20 weeks)
Blood test - AFP, inhibin A, Oestriol, Beta HCG
What is the normal changes to BP during pregnancy?
BP normally drops
This is due to a drop in vascular resistance
What are the haematological changes during pregnancy?
Increase in plasma volume by 40%
Increase in RBC volume by 25%
This can lead to anaemia as there is a greater increase in plasma volume compared to the increase in RBC volume
Why do you get peripheral odema in pregnancy?
Due to an increase in plasma volume
Why is pregnancy known as a hypercoagubility state?
Due to an increase in clotting factors during pregnancy
This happens to prevent losing too much blood during labour and birth
However it increases the risk of blood clots during pregnancy
Which factors would make a women high risk during pregnancy?
Advanced maternal age >40 Low maternal age <20 Certain medical conditions Previous surgery IVF treatment Previous Caesarean section Previous problems in pregnancy - hypertension, grown restriction, GDM, fetal abnormalities
How is the symphysis fundal height measured?
Why is it measured?
Get women to empty bladder first - this can add 2-3cm to measurement
Measure from highest point of fundus to symphysis pubis
Plot on growth chart
What is good pre-pregnancy counselling?
Reduce BMI <30 Optimise any health conditions Take folic acid and vitamin D Exercise as normal Check for MMR Vaccine
What is the pre-pregnancy planning for women with diabetes?
Take 5mg folic acid OD
Switched to metformin or insulin (safe in pregnancy)
Aim for HbA1c <48
Screening for retinopathy and nephropathy (if not had in 6 months)
Check U&Es