Hello Helina,After Abortion, ovulation occurs 4 weeks to 6 weeks. For some women it may return as early as 2 weeks depending on your menstural cycle.
Check out if you had the following Ovulation symptoms : Mild abdominal cramps, changes in cervical mucus, increased libido, ovulation spotting, increased BBT.
The best way to detect ovulation is by using an ovulation predictor kit.
Or you can take in a Post pill to prevent any unwanted pregnancy if you calculate and you are in your ovulation period.