I was on depo injection for 14 months. I was lucky and my periods come back instantly. I then went onto the pill for 4 months and periods was regular with that when they was meant to me. I then come off and had a withdrawl bleed on 19th Sept. For 2 days.... Would it have been possible to ovulate that month (3rd Oct according to predictions) .... Im due to test tomorrow if I did???? X....