I decided on abortion because of several reasons.
Firstly, I was at university in my final year, I was enjoying my degree and did not wish to take a year out as I was/am very career orientated.
Our means of support would have been through myself and my partners parents (being students) and we did not/do not want to be reliant on anyone on anyone other than ourselves when/if we have children.
It was accidental, I was on the pill and it failed.
I was also taking some medication which may (or may not) have affected the fetus.
All in all, I didn't want to be pregnant or have a child at that time in my life so it was the best option for me.