Girls, hi! Here's the situation: after an abortion, my period didn't c…

Girls, hi! Here's the situation: after an abortion, my period didn't come. It only started 21 days later and lasted for 3 days. I was afraid that I might be pregnant again. I did a test on day 15-18 of the delay and it showed two lines. But then, nothing. Because of the delay, my ovulation shifted and it should be in 16 days. But I feel like it's not the right one and my period is coming. However, before that, I saw a few small blood traces! So basically, I have problems again. Although hormones are normal.