Flashcards in PACES: Obstetric Monitoring Deck (32)
What screening occurs at booking, for those women who choose to have it?
Blood tests: blood group, RhD status, FBC (?anaemia), Hb electrophoresis (SCA/Thal), infection (hep B, HIV, syphilis)
Urine dip and MC&S: proteinuria? Asymptomatic bacteriuria?
When is the dating scan, and what can it screen for?
Viability, gestation, multiple pregnancy (and chorionicity), nuchal translucency
What are the 3 elements of the ‘triple test’?
USS (for nuchal translucency)
Blood test for B-hCG and PAPP-A
During which weeks of gestation can the combined test be carried out?
11+0 - 13+6
At how many weeks is the anomaly scan?
What is looked for on the anomaly scan?
Amniotic liquor volume
Gender and growth of foetus
If the placenta is low at the anomaly scan, when should a repeat scan be offered?
When is the first GP review during pregnancy, and which women should attend?
25 weeks - only those who are nulliparous
When is the OGTT if indicated?
When is the first dose of anti-D prophylaxis given to women who are RhD negative?
At how many weeks gestation is ECV offered to women with an uncomplicated singleton breech pregnancy?
Recall the frequency and start date of serial growth scans in mothers with pre-existing hypertension
Scans at 28w, 32w and 36w
How often is BP measured in mothers with pre-existing hypertension?
Weekly if poorly-controlled
Every 2-4 weeks if well-controlled
Recall the timeline of BP monitoring post-partum in mothers with pre-existing hypertension
Once on day 3-5
F/U with GP at 2w
What extra scans are done in women with CMV infection?
USS every 2w from diagnosis
Foetal MRI at 28w
What extra scans do women with pre-existing gestational diabetes mellitus have?
Foetal cardiac scan at 20w
Serial growth scans at 28w, 32w and 36w
Recall the timeline of screening for complications of diabetes mellitus in women with pre-existing diabetes?
Retinal and renal screening at booking
If abnormal: repeat at 16w
If normal: repeat at 28w
What extra visits will mothers with epilepsy have?
Obs med clinic every 2w
Serial growth scans at 28w, 32w and 36w
In severe gestational hypertension (BP >160/110), how often should BP be measured on the ward?
EVery 15-30 mins
How often should a urine dip be performed in gestational hypertension?
Once or twice a week in moderate HTN
Daily whilst admitted
What extra blood tests are done in gestational hypertension?
Weekly FBC, LFT and U&E
What extra scans do women with gestational hypertension have?
US foetal surveillance every 2w
Recall the timeline of obs med appointments for women with pre-existing cardiac disease
Every 2w until 24w, weekly thereafter
When are maternal echocardiograms performed in women with pre-existing cardiac disease?
What extra scans do women with pre-existing cardiac disease have during pregnancy?
Specialist foetal cardiac scan at 22w (nb this is at 20w in pre-existing DM)
Recall the extra monitoring given to mothers who are HIV+
Joint obs med clinic every 2w
Viral load every 2w, at 36w and delivery
Recall all of the extra monitoring offered to women with multiple pregnancies
FBC at 20-24w
Regular BP monitoring (increased risk of eclampsia)
OGTT at 28w (at higher risk)
TTTS monitoring/ growth scans:
- every 2w starting at 16w for MCDA twins
- every 4w starting at 20w for DCDA twins
What extra monitoring is done in obstetric cholestasis?
Doppler and CTG every 2w
Recall the timeline of scans in suspected placenta praevia
If detected at 20w, rescan at 32w
If still low, rescan at 36w
If still low at 36w, offer C section
Recall the schedule of extra monitoring in PPROM
Admit until 28w
After 28w, monitor 3 times/week for signs of chorioamnionitis
What extra monitoring is available for mothers whose foetus is SGA?
SFH at booking and at every antenatal appointment (for everyone)
If appears SGA, confirm this with foetal biometry at 20w
If confirmed SGA, do uterine artery doppler at 20-24w
If abnormal, serial scans weekly from 26w onwards