Depends on your source. Most cite socioeconomic reasons, or are not ready for a child or don't want more children. Here is a recent study: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5957082/
I think that having an abortion, and in so doing making a choice about your future, in spite of all the stigma surrounding the procedure and intimidation from the "pro-life" crowd in this country, I would say they are absolutely strong too. I don't think you are better or worse for your decision when it comes to a pregnancy.