Obstetrics

Question 1

Risks of unpasteurised milk in pregnancy (3)

Answer 1

Listeria
Toxoplasmosis
TB
+various other infections campylobacter etc

Question 2

Why avoid shark & tuna in pregnancy

Answer 2

Mercury (toxin)

They will eat you

Question 3

Why avoid eating liver in pregnancy?

Answer 3

Vitamin A (teratogenic)

Question 4

Why avoid raw meat in pregnancy

Answer 4

Toxoplasmosis

Question 5

Signs of alcohol use in pregnancy (4)

Answer 5

Deformed facies
Renal dysfunction
Reduced IQ
Attention deficit disorder

Question 6

Safe alcohol limit per week in pregnancy

Answer 6

0 units per week

Question 7

Tests done at all bookings (2)

Answer 7

Serum antibodies

HIV, Syphilis, Hepatitis testing

Question 8

Tests offered at booking but not necessarily done for all ptx (4)

Answer 8

Glucose
PAPP-A & hCG
AFP, oestradiol and inhibin (2nd trimester)
Thalassaemia & Sickle cell

Question 9

Increased AFP associated with

Answer 9

Down Syndrome

Question 10

Trisomies screened for (3)

Answer 10

13
18
21

Question 11

Trisomy 13 also known as

Answer 11

Patau’s syndrome (MI-crocephaly, MI is 13 on its side)

Question 12

Trisomy 18 also known as

Answer 12

Edward’s syndrome

Question 13

Trisomy 21 also known as

Answer 13

Down syndrome

Question 14

Folic acid supplement (before conception and up to week 12 gestation) prevents (2)

Answer 14

Spina Bifida

Anencephaly

Question 15

How much folic acid is high dose?

Answer 15

5mg

Question 16

When should folic acid ideally be started when planning to become pregnant?

Answer 16

3 months before conception

otherwise A$AP

Question 17

When should anti-D be given? (2)

Answer 17

28 weeks for all Rh -ve mothers

AND

Any PV bleeding after 12 weeks in Rh -ve mother

Question 18

What is entonox

Answer 18

Oxygen and nitrous oxide

Question 19

Vessels in umbilical cord (3)

Answer 19

2 arteries, deoxygenated blood
1 vein, oxygenated blood

(2 blue eyes 1 red mouth)

Question 20

What does ‘2 blue eyes 1 red mouth’ refer to in obstetrics?

Answer 20

Vessels in umbilical cord

2 arteries, deoxygenated blood
1 vein, oxygenated blood

Question 21

PainLESS bleed >24wks is most likely?

Answer 21

Most likely placenta previa

Question 22

What is placenta previa?

Answer 22

Placenta covers cervix

Question 23

PainFUL bleed at >24wks gestation is most likely?

Answer 23

Placental abruption

Question 24

Define placental abruption

Answer 24

Placenta separates from uterine wall

Question 25

What developments occur in 3rd trimester? (3)

Answer 25

Brown fat development
Surfactant production
Swallowing of amniotic fluid

Question 26

What is kernicterus?

Answer 26

Bilirubin-induced brain dysfunction

Question 27

What kind of bilirubin causes kernicterus?

Answer 27

Unconjugated

Question 28

Snowstorm appearance on uterine USS

Answer 28

Hydatidiform Mole

Question 29

PPH then pituitary failure

DIagnosis?

Answer 29

Sheehan’s syndrome

Question 30

Strawberry cervix

Answer 30

Trichomonas vaginalis

Question 31

Clue cells & high vaginal pH

Diagnosis?

Answer 31

Bacterial vaginosis

Question 32

Large tense uterus, woody abdomen, bleeding, pain

Diagnosis?

Answer 32

Placental abruption

Question 33

Difference between Placenta Previa and Vasa Previa

Answer 33

Vasa has foetal distress with bleeding
Veins only over cervix

Placenta has no foetal distress with bleeding
Placenta over cervix

Question 34

Define placenta accreta

Answer 34

Placenta becomes embedded too deeply in uterine muscle wall

Question 35

Treat placenta accreta

Answer 35

C section +/- hysterectomy

and contraception always!!

Question 36

Legal requirement for abortion

Answer 36

2x registered medical doctors must sign off