Antenatal Care

Question 1

Risk of recurrence of hypertension in pregnancy

Answer 1

21% (1 in 5)

Question 2

Risk of recurrence of any PET

Answer 2

16%

Question 3

Risk of recurrence PET when delivered 28-34 weeks

Answer 3

33% (1/3)

Question 4

Risk of recurrence PET if delivered 34-37 weeks

Answer 4

23%

Question 5

Deliver for uncomplicated MCMA twins

Answer 5

Caesarean delivery from 32-33+6/40

Question 6

Delivery MCDA twins

Answer 6

36-36+6/40

Question 7

Delivery DCDA twins

Answer 7

37-37+6/40

Question 8

Triplets delivery timing

Answer 8

Deliver by 35+6

Question 9

Incidence of placenta praevia

Answer 9

1 in 200 (0.5%)

Question 10

Placenta praevia after 1,2,3,4 CS

Answer 10

1 1%
2 2%
3 3%
4 10%

Question 11

Placenta accreta if praevia present

Answer 11

1CS 3%
2CS 10%
3CS 40%
4CS 60%

Question 12

Incidence of breech

Answer 12

28 weeks 20%
36 weeks 5%
Term 3-4%

Question 13

ECV success

Answer 13

50%

Question 14

Spontaneous reverse to breech after successful ECV

Answer 14

3%

Question 15

Failed ECV spontaneous cephalic

Answer 15

5%

Question 16

Placenta abruption if 1 previous

Answer 16

5% (4.4)
25% if 2 previous (19-25%)

Question 17

% of placenta abruption in low risk pregnancy

Answer 17

70%

Question 18

BMI >30- antenatal care

Answer 18

Folic acid 5mg until 12 weeks
OGTT 24-28 weeks
VTE score 1

Question 19

Incidence of placenta abruption

Answer 19

1 in 200 (0.5%)

Question 20

BMI >35- antenatal risk

Answer 20

Low dose aspirin (moderate risk factor)
Active third stage

Question 21

BMI >40

Answer 21

VTE score 2

Question 22

Folic acid 5mg

Answer 22

BMI >30
Epilepsy
T1DM

Question 23

Chickenpox
Exposure, non immune

Answer 23

Aciclovir from D7-14
VZIG if less than 10 days

Question 24

Chickenpox rash

Answer 24

<20 weeks within 24 hours consider Aciclovir
>20 weeks within 24 hours give Aciclovir

Question 25

Fetal varicella syndrome

Answer 25

1% risk over 28 weeks Delivery >7 days from infection

Question 26

Infectious

Answer 26

8-21 days 8-28 with VZIG

Question 27

VTE risk in pregnancy

Answer 27

1-2/ 1000 - increased 4-6 times compared to non pregnant 10-20% PE (rest DVT)

Question 28

Incidence of breech at term

Answer 28

3-4%

Question 29

Sepsis mortality rate

Answer 29

Severe sepsis 20-40% Septic shock 60%

Question 30

Treatment for idiopathic intracranial hypertension

Answer 30

Acetazolamide

Question 31

VBAC overall success rate

Answer 31

72-75%

Question 32

VBAC success rate previous vaginal delivery

Answer 32

85-90%

Question 33

VBAC success rate previous CS for malpresentation

Answer 33

84%

Question 34

VBAC success rate previous CS for fetal distress

Answer 34

73%

Question 35

VBAC success rate previous CS for labour dystocia

Answer 35

64%

Question 36

CVS and amino when to do

Answer 36

CVS 11-13+6 Amniocentesis >15 weeks 0.5% additional risk of miscarriage

Question 37

Risk preterm labour in 3rd trimester amniocentesis

Answer 37

<37 weeks 4-8% <34 weeks 3-4%

Question 38

VBAC risk

Answer 38

0.25% additional risk for perinatal mortality/serious morbidity 1.5% for morbidity

Question 39

Perinatal mortality CS/breech 39/40

Answer 39

CS 0.5/1000 Vaginal cephalic 1/1000 Vaginal breech 2/1000

Question 40

Ultrasound indicated cervical cerclage

Answer 40

US 14-24 weeks <=25mm <24 weeks Previous >=1 2nd trimester loss/preterm birth

Question 41

History indicated cerclage

Answer 41

>=3 previous preterm births 11-14 weeks