Depo-Provera only reduces your fertility if your periods don’t come back for a while after stopping it. It sounds like your periods started back right away, so your fertility should be back to normal. Most couples get pregnant in the first year of trying (about 85%) and it can still happen naturally in the second year, but this is a good time to see a Fertility specialist (Reproductive Endocrinology and Infertility or REI MD) to help you to get pregnant.
How long it takes depends on many factors, including your age. We can check for hormonal problems, low egg supply (diminished ovarian reserve), blocked tubes, problems inside the uterus like polyps or fibroids, or sperm problems. 40-50% of couples who aren’t getting pregnant easily have a sperm problem – this can be the only issue, or occur along with other problems on your side. After testing for fertility issues, your doctor can come up with individualized treatment options to help you get pregnant.