Obstetrics

Question 1

When should you do a pregnancy test?

Answer 1

21 days after you last had unprotected sex

Question 2

How soon after a miscarriage should a pregnancy test be done?

Answer 2

2 weeks after, if positive come back in

Question 3

What examinations / measurements are taken at the first antenatal appointment?

Answer 3

1. Weight and height for BMI
2. BP
3. Testing urine for glycosuria/proteinuria

Question 4

What routine blood tests are done in the antenatal screening?

Answer 4

Anaemia
Blood group + rhesus
Rubella status
Haemaglobin disorders (sickel cell / thalassaemia)
Infections; HIV, Hep B, Syphilis
Diabetes

Question 5

What routine USS are done during pregnancy, when and why are they done?

Answer 5

Early - works out EDD

11-14 weeks - Gestational age, multiple pregnancy, PED

20 weeks - Congenital / structural abnormalities; cardiac, NTD, renal

32 weeks - placental previa

Question 6

What is the risk to the fetus and the mother of chicken pox (varicella zoster) during pregnancy?

What is the treatment?

Answer 6

Fetus - malformations, defects

Mother - varicella pneumonitis

Rx; VZ IgG screen&raquo_space;> VZIG (if not immune)

Question 7

What are the risk factors for placental abruption?

Answer 7

PIPES

Pre-eclampsia
IUGR
Previous history of abruption
Essential HTN
Smoking

Question 8

What are the risk factors for uterine rupture?

Answer 8

Uterine scar (c-sec, myotomy)
Trauma
Overdistention (polyhydramnios, macrosomia, multiple)
Obstruction of labour

Question 9

What are the indications for hospital admission in pregnancy?

Symptoms
Signs

Answer 9

Symptoms

• Headaches
• Visual blurring
• Epigastric pain

Signs

• Proteinuria +1 (>0.3g/24h)
• Diastolic BP >100
• Suspected fetal compromise

Question 10

Name two significant complications of UTI’s in pregnancy?

Answer 10

Pyelonephritis (fever, chills, vomiting and loin pain)

Premature labour