MedEd Mx Guide Flashcards
How often do you perform vag exam in normal labour in first stage vs second stage
1st stagee: every 4 hours
2nd stage: every hour
what ways can you prevent preterm labour if the mother is high risk of PTL
Vaginal prigesterone
Cerclage
what are indications for offering ONLY vaginal progesterone to prevent PTB
cervical length <25mm on TVUSS (16-24 wks)
no other relevant hx
when would you ONLY offer prophylactic cerclage
cervical length <25mm on TVUSS (16-24 wks)
AND
Prior PTB/Cervical trauma
When would you offer the alternative between vag progesterone or cerclage?
cervical length <25mm on TVUSS (16-24 wks)
and PTB/midtrimester loss (16-34)
when would you offer a rescue cerclage
cervical dilation WITHOUT contractions at 16 to 27+6 gestation
what are the two key tocolytics you can give in PTB
Nifedipine (CCB, first line)
Atosiban (oxytocin receptor antagonist, second line)
whata is the maternal corticosteroid that you give if concerned about preterm birth
IM betamethasone 24mg in 2 doses, 12 hours apart
what dose of Vit D do you give in pregnancy
10micrograms OD throughout
What dose of folic acid to you give and when
400micrograms
from 3 months pre conception to 12 weeks gestation
what conditions require the higher dose of folic acid (5mg)
Diabetes BMI>30 coeliac sickle cell prior pregnancy with neural tube defect metabolic defect
when would you do a OGTT if required?
16 weeks
How do you manage toxo in a pregnant woman
Spiramycin (3 week course)
if foetal infection confirmed, discuss
- TOP
- continuing pregnancy but with more aggressive tx (sulfadiazine, pyrimethamine)
How do you manage a non-immune woman exposed to VZV
Administer IVIG if presenting max 10 days after contact
- advise tyo avoid contact with other pregnant woomen and neonates (infectious for 21 days after exposure if no VZIG, 28 days if VZIG)
How do you manage chicken pox infection ( active rash) in pregnant woman
Oral acyclovir if within 24h from rash onset
Avoid contact with other pregnant women until lesion crustedover
Refer to foetal medicine speciaalist
When should you give VZIG in a neonate
If birth is within 7 days of onset of rash
OR
if mother develops chicken pox within 7 days of delivery
How do you manage labour in a monther with HIV
DEPENDS ON VIRAL LOAD
- virl load <50copies / ml: vaginal
- viral load >50 compies / ml: Elective CS with intrapartum zivodudine
how do you tret PN period in infant born to motger with HIV
ALL infants myst be started on HRT within 4 h from virth
- low risk: ZIVODUDINE monotherapy 2-4 weeks
- high risk: Triple ART (Zivodudine, lamivudine, nevirapine) 4 weeks
How do you check for HIV transmission in neonate
Direct viral amplification by PCR
- at birth
- on discharge
- 6 weeks
- 6 months
How do you manage Hep B infection in pregnant mum
Refer to hepatologist
Offer Tenofovir if high HBV viral load
How do you manage PN period in Hep B infection
Offer HBV Ig and Hep B immunisation to newboorn
Can mothers breastfeed if Hep B infected?
Yes - no risk of it passing through breastmilk
How often do you need to monitor LFTs, bile acids, Doppler and CTG in OC
LFT, bile acids: x1 weekly
Doppler, CTG: x2 weekly
what are risk factors for molar pregnancy
extremes of maternal age
prior molar pregnancy
prior miscarriage
asian heritage
what is a whiff test used for
BV- add solution to see if fishy odour appens