Table 1 Assumptions common to all scenarios

Number of hospital stays involving childbirth

125,150

122,458

124,867

126,487

125,726

127,864

129,434

[10, 13]

Until 2025: [10, 13], then constant length of stay and population forecast (Planning Bureau) [14]

Proportion of moderate- to high-risk pregnancies

17.5%

23.3%

28.7%

34.1%

34.1%

34.1%

34.1%

IMA-AIM

Linear until 2026 then constant

Proportion of the population living in a household with an equivalent disposable income below the poverty threshold

15.3%

15.9%

16.0%

16.4%

16.4%

16.4%

16.4%

IWEPS [15] on basis of EU-SILC [16]

Linear until 2026 then constant

Proportion of multiparous pregnancies

55.2%

56.3%

58.4%

60.0%

60.0%

60.0%

60.0%

CEpiP [17, 18] and SPE [19]

Linear until 2026 then constant

Length of the first individual obstetrical session (all risk levels)

52 min

Elicitation

Constant

Length of the following individual obstetrical sessions for low-risk pregnancies

30 min

Elicitation

Constant

Length of the following individual obstetrical sessions for moderate- to high-risk pregnancies (including sessions specific to at-risk pregnancies)

35 min

Elicitation

Constant

Additional length of the individual obstetrical sessions in the event of socioeconomic vulnerability

15 min

Elicitation

Constant

Average number of additional sessions of preparation for birth and parenthood education in the case of socioeconomic vulnerability

1.0

2.0

2.0

2.0

2.0

Elicitation

Elicitation

Length of the individual sessions of birth preparation and parenthood education

60 min

Elicitation

Constant

Length of the group sessions of birth preparation and parenthood education

120 min

Elicitation

Constant

Average number of participants in the group sessions

7

Elicitation

Elicitation

Weighting coefficient applied to the days of hospitalisation (severity level 1)

Day 1: 155; day 2: 129; day 3: 92; day 4: 84; day 5 and following: 77

ULB, School of Public Health (PACHA) [20]

Constant

Weighting coefficient applied to the days of hospitalisation (severity level 2)

Day 1: 140; day 2: 144; day 3: 97; day 4: 86; day 5 and following: 82

ULB, School of Public Health (PACHA) [20]

Constant

Weighting coefficient applied to the days of hospitalisation (severity levels 3 and 4)

Day 1: 172; day 2: 156; day 3: 118; day 4: 108; day 5 and following: 105

ULB, School of Public Health (PACHA) [20]

Constant

Average number of postnatal follow-up and care services until the 5th day postpartum

0.3

0.8

1/day

Econodat and IMA-AIM

Elicitation

Average number of postnatal follow-up and care services due to complication

0.1

0.1

0.1

Econodat and IMA-AIM

Constant

Average number of breastfeeding consultations

0.2

0.4

0.4

Econodat and IMA-AIM

Constant