Adolescent parenthood is associated with a range of adverse outcomes for young mothers, including mental health problems such as depression, substance abuse, and posttraumatic stress disorder. Teen mothers are also more likely to be impoverished and reside in communities and families that are socially and economically disadvantaged. These circumstances can adversely affect maternal mental health, parenting, and behavior outcomes for their children.
Or you could add this:
Early motherhood and its impact on mothers, children, families and communities is a prevalent health challenge in developing countries that needs to be urgently explored. The aim of this study was exploring the challenges encountered by Iranian adolescent mothers during the transition to motherhood.
I'm not the only one who's a student who's a student who's a student.
When you see a sentence not make sense it's usually because you are leaving out important words or mixing them up in the wrong way in that sentence so due to this knowledge a dangling modifier would be C.
“any girl or boy who has not reached adulthood, for whom the street (in the broadest sense of the word, including unoccupied dwellings, wasteland, etc.) has become her or his habitual abode and/or sources of livelihood, and who is inadequately protected, supervised or directed by responsible adults”
