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Updated: Jan 20, 2026
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Adolescent Pregnancy Among Girls Known to Child Protection Services: An Australian Longitudinal Cohort Study Using
Oliver Watkeys1, Kimberlie Dean1,2, Kristin R Laurens1,3
1UNSW Sydney, Sydney, New South Wales, Australia.
The Medical Journal of Australia
|January 19, 2026
Summary
Child protection services involvement in a large adolescent cohort was linked to higher pregnancy rates. Greater child protection response correlated with earlier and more frequent pregnancies among teen girls.
Area of Science:
- Public Health
- Adolescent Health
- Social Work
Background:
- Adolescent pregnancy presents significant public health challenges.
- Understanding the role of social services in adolescent pregnancy is crucial.
Purpose of the Study:
- To investigate the association between child protection services involvement and pregnancy outcomes in adolescent girls.
- To determine if the level of child protection response impacts pregnancy incidence and age.
Main Methods:
- Analysis of a population cohort of 44,216 adolescent girls.
- Examination of data on pregnancies and child protection services involvement.
Main Results:
- Approximately 73.5% of pregnant adolescent girls in the cohort were known to child protection services.
- Higher levels of child protection response were significantly associated with increased cumulative incidence of pregnancy.
- Increased child protection response correlated with an earlier age of pregnancy.
Conclusions:
- Involvement with child protection services is common among pregnant adolescents.
- Child protection interventions may be associated with adolescent pregnancy risk and timing.
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