8.1 Pregnancy Timeline

Question 1

What is GA?

Answer 1

Gestational age

Question 2

How is GA calculated at first?

Answer 2

Duration of pregnancy starting from the date of the last menstrual period (LMP)

Question 3

What is EDD?

Answer 3

Estimated Delivery Date (40 weeks gestation)

Question 4

When is the EDD updated?

Answer 4

After the dating scan

Question 5

What does G stand for?

Answer 5

Gravida - Total number of pregnancies the a woman has had

Question 6

What does P stand for?

Answer 6

Para - number of times the woman has given birth after 24 weeks gestation (alive or stillborn)

Question 7

What does primiparous mean?

Answer 7

(technically means someone who has given birth once before)

It is used on labour wards to describe someone who is about to give birth for the first time.

Question 8

What does gestational age 5 + 3 mean?

Answer 8

5 weeks and 3 days

Question 9

What does GA 13 + 6 mean?

Answer 9

13 weeks and 6 days pregnant

Question 10

What is the G and P of someone who is pregnant and had 3 previous deliveries?

Answer 10

G4 P3

Question 11

What is the G and P for someone not pregnant but who had twins?

Answer 11

G1 P1

Question 12

What is the G and P for someone not pregnant and had a previous miscarriage?

Answer 12

G1 P0 +1

Question 13

What is the G and P for someone not pregnant and had a previous stillbirth?

Answer 13

G1 P1

Question 14

What weeks does the 2nd trimester start and end?

Answer 14

13 weeks until 26 weeks

Question 15

When do fetal movements start?

Answer 15

Start at 20 weeks and continue until birth.

Question 16

What are the main scans/clinics/events during pregnancy and what happens at them?

Answer 16

1. booking scan - assessment and plan
2. dating scan - GA calculated, crown rump length, nuchal translucency, twins etc
3. antenatal appointment - results and plan
4. Anomaly scan - heart etc
5. multiple antenata appointments

Question 17

When does booking scan ideally happen?

Answer 17

Before 10 weeks

Question 18

When does the dating scan happen?

Answer 18

Between 10-14 weeks

Question 19

When does the 1st antenatal appointment to discuss results and plan happen?

Answer 19

16 weeks

Question 20

When does the anomaly scan happen?

Answer 20

Between 18-21 weeks

Question 21

When do antenatal appointments happen?

Answer 21

25, 28, 31, 34
36, 38, 40
41, 42

Question 22

What extra appointments/ tests might women get and why?

Answer 22

OGTT if risk of gestational diabetes (24-28 weeks)

Anti-D injection if rhesus negative (28 and 34 weeks)

US scan at 32 weeks if there was placenta previa on anomaly scan

Serial growth scans if risk of fetal growth restriction

Question 23

What things are done / covered at each routine antenatal appointment?

Answer 23

• discuss plans
• symphysis-fundal height measured from 24 weeks
• fetal presentation assessed from 36 weeks
• blood pressures
• urine for microscopy for asymptomatic bacteriuria

Question 24

What vaccines are given to pregnant women?

Answer 24

• whooping cough (pertussis) from 16 weeks
• flu vaccines when available

(no live vaccines - no MMR)