Table 3 ICD-10 diagnoses for pregnancy-related aeromedical retrievals* by the Royal Flying Doctor Service according to age groups, 2015–2019 (N = 4438)

Pregnancy with abortive outcome (O00-O08)

11.2

8.4

9.0

 Ectopic pregnancy (O00)

6.8

5.4

4.9

 Complications following ectopic and molar pregnancy (O08)

0.0

0.2

0.3

 Others

4.4

2.8

3.9

Supervision of high-risk pregnancy O09

0.8

0.6

0.6

Oedema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium (O10-O16)

9.7

9.1

11.6

 Pre-existing hypertension (O10-O11)

0.5

0.4

1.6

 Gestational hypertension and preeclampsia (O13-O14)

8.4

7.9

8.4

 Eclampsia (O15)

0.3

0.5

0.4

 Others

0.5

0.3

1.0

Other maternal disorders predominantly related to pregnancy (O20-O29)

3.9

5.6

5.3

 Haemorrhage in early pregnancy (O20)

0.5

2.1

1.6

 Diabetes mellitus in pregnancy (O24)

0.3

0.6

1.8

 Other maternal care for other conditions related to pregnancy (O26)

1.0

1.2

1.5

 Abnormal findings on antenatal screening (O28)

0.3

0.9

0.4

 Others

1.8

0.7

0.0

Maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)

20.4

28.6

38.4

 Premature rupture of membranes (O42)

9.9

14.6

19.4

 Antepartum haemorrhage (O46)

3.9

6.1

8.3

 Others

6.5

7.8

10.7

Complications of labour and delivery (O60-O75)

46.7

43.1

31.0

 Threatened preterm labour and delivery (O60)

40.7

37.8

26.8

 Others

6.0

5.2

4.2

Normal term delivery (O80-O84)

3.9

2.6

1.8

Complications predominantly related to the puerperium (O85-O92)

1.6

1.1

1.0

Other obstetric conditions, not elsewhere classified (O94-O99)

1.8

1.1

1.3

Total retrievals with ICD-10 diagnoses – N

383

3380

675