How does sex education contribute to the reduction of teenage pregnancy?

You need to critically analyse a minimum of seven articles based on the topic question which will be primary research studies in the PICO format.

The resourses and references need to be no older then 5 years.
You need to clearly state in your work why you chose this 7 articles.
Present different arguments(theories).
Detailed appraisal of the research .
Review purpose of a Systematic Review .
Define QUANTITATIVE research.