He asserts that the "foundations" of social studies originated in Great Britain during the 1820s and quickly moved to the United States .
Sociology was established by Comte in 1838. He had earlier used the term "social physics", but that had subsequently been appropriated by others, most notably the Belgian statistician Adolphe Quetelet. Comte endeavoured to unify history, psychology and economics through the scientific understanding of the social realm.
If you are referring to a girl getting pregnant or a couple having sex than in some cases a unexpected pregnacy can thrust the pressure of marriage upon minors. But way less today than in the past.