Table 1 Summary of characteristics of included studies

Data source

n = 14

 Primary data

1

7.1%

 Secondary data

13

92.9%

Difference of year of publication to year of data source^a

n = 48

  ≤ 5 years

6

12.5%

  > 5 years ≤10 years

38

79.2%

  > 10 years

4

8.3%

Age group and focus

n = 14

 Adolescents alone (15–19)

10

71.4%

 Comparative with other groups (15–19 vs. 20–24/20–34/35–49)

4

28.6%

Limited to married adolescents

n = 14

 Limited

10

71.4%

 Included unmarried adolescents

4

28.6%

MHS studied

n = 14

 Delivery only

1

7.1%

 ANC and delivery

6

42.9%

 ANC, delivery, PNC

7

50.0%

Specific MHS characteristic studied

n = 14

 Full ANC (defined as Minimum 3 ANC visits, Tetanus Toxoid injection, Folic acid and Iron tablets), SBA present at delivery

1

7.1%

 Full ANC (defined as Minimum 3 ANC visits, Tetanus Toxoid injection, Folic acid and Iron tablets), SBA present at delivery, Facility-based delivery, Skilled personnel provided PNC

1

7.1%

 Full ANC (defined as Minimum 3 ANC visits, Tetanus Toxoid injection, Folic acid and Iron tablets), SBA present at delivery, Skilled personnel provided PNC

2

14.3%

 Number of ANC visits (<4 - inadequate vs. 4 - adequate), SBA present at delivery

1

7.1%

 Number of ANC visits (<4 - inadequate vs. 4 - adequate), SBA present at delivery, Skilled personnel provided PNC

3

21.4%

 SBA present at delivery and Facility-based delivery

1

7.1%

 Skilled personnel present for ANC at least one visit, SBA present at delivery

1

7.1%

 Skilled personnel present for ANC, SBA present at delivery and Facility-based delivery

1

7.1%

 Skilled personnel present for ANC, SBA present at delivery, Facility-based delivery and Skilled personnel provided PNC

1

7.1%

 Skilled personnel provided ANC, Facility-based delivery

1

7.1%

 Timing of first ANC visit, Number of ANC visits (<4 - inadequate vs. 4 - adequate), Facility-based delivery and SBA present at delivery

1

7.1%