I was on depo for 22 years, no period, very light cramping some times when nearing time for another injection. My doctor took me off of it when he realized the PA add been giving it time for so long. Question. I am 20 years old and have had two injections of the contraceptive Depo-Provera in the past 12 months. I was advised that once I stopped taking it my periods would return to normal after. Something to remember is that the amount of time you have been taking the Depo Provera shot does not affect how long it will take you to get pregnant after depo. If you only have taken one shot, the effects can last as long as someone who has taken the shot for years. Keep in mind that each Depo Provera injection lasts about three months, so you will need to plan ahead if you want to get pregnant after stopping Depo Provera. It takes an average of 9 to 10 months, and for a small minority of women up to 18 months, to regain fertility and begin ovulating after stopping Depo Provera. Question. I have been off Depo-Provera for almost 2 months now. I have had 3 shots over the pass year and I would like to get pregnant before the beginning f next year. The first Depo-Provera® injection is usually given during the first 5-7 days after a normal menstrual period begins. Each injection costs between $30-$100, and most insurance plans cover the cost. Each injection costs between $30-$100, and most insurance plans cover the cost. While the levels of Depo-Provera after 90 days may not be high enough to be considered effective for pregnancy prevention, they may still be too high to get pregnant. Some women will get pregnant the very first month after the 90 days, but this isn’t common. I'm 19 years old and I tried the depo shot and I hated it. I have only had one shot and gained 20 pounds!!! I'm moody and have such bad migraines after taking the shot. I chose not to get my most recent depo provera shot and got my period one and a half months after that due date. I was on the depo shot for almost three years. When I stopped taking the shot, it. Helpful, trusted answers from doctors: Dr. Harris on how long after stopping depo will i get my period: Some resume immediately. Some do not resume normal periods until up to 12 months. Since you are 51 you may vary even more as the effects of menopause and perimenopause may be an issue.