pregnancy timeline

Question 1

second trimester

Answer 1

13- 26 weeks gestation

Question 1

first trimester

Answer 1

up to 12 weeks gestation

Question 2

third trimester

Answer 2

27 weeks gestation onwards

Question 3

when should fetal movements start

Answer 3

around 20 weeks

Question 4

when is booking clinic done

Answer 4

before 10 weeks

Question 5

when is dating scan done

Answer 5

between 10 and 13+6
- determine accurate gestational age (CRL)
- multiple pregnancies identified

Question 6

when is antenatal appointment

Answer 6

16 weeks

Question 7

when is anomaly scan

Answer 7

between 18 and 20+6

Question 8

nutritional supplements antenatal advice

Answer 8

folic acid 400mcg from before conception to 12 weeks
vit D

Question 9

what is done on booking visit

Answer 9

general info
BP, urine, BMI
booking bloods/urine
- FBC, blood group, rhesus status, red cell alloantibodies, haemoglobinopathies
- hepatitis B and syphilis
- HIV test offered
- urine culture to detect asymptomatic bacteriuria

Question 10

pregnancy screening for down syndrome

Answer 10

combined test: 11-14 weeks gestation, involves results from USS and blood tests
- nuchal thickness > 6mm
- b-hCG (increase), PAPPA (lower)

triple test: 14 and 20 weeks
- bHCG (higher), AFP (lower), serum oestriol (lower)
offered amniocentesis or chroionic villus sampling of NIPT