Women may become pregnant within three to four months of missing a Depo Provera injection, according to WebMD. For some women, it may take up to two years before they are able to conceive.
WebMD explains that a Depo Provera injection needs to be received every 12 weeks to fully prevent pregnancy, though this type of birth control lasts for up to 14 weeks. Depo Provera is 99 percent effective at preventing pregnancy when the patient receives the injection on schedule, but this type of birth control does not protect against sexually transmitted infections. Common side effects of Depo Provera include irregular or stopped periods, headaches, weight gain, depression, dizziness and loss of bone density.Learn More
Yes, you can get pregnant on the Depo-Provera shot, although the chances are slim. The Depo-Provera shot is a highly effective method of birth control that has an approximate success rate of 99 percent.Full Answer >
Menstrual periods return to normal once Depo-Provera leaves the system, which can take six to 18 months, according to the Family Planning Council. The amount of time it takes for ovulation and menstruation to return to normal seems unrelated to length of use, WebMD points out.Full Answer >
It is possible for Depo-Provera to affect a woman's period as soon as the first shot, according to Planned Parenthood. The shot can result in an irregular or lighter period, or the woman's period can go away altogether.Full Answer >
After stopping the use of Depo-Provera, women expect to resume menstruation within 1 to 3 months and their bones begin accumulating calcium again. Depo-Provera acts as a birth control, offering users options of receiving protection in the form of shots, which they inject every 11 weeks. While using Depo-Provera, bone growth slows and menstruation stops, a condition called amenorrhea, but these effects reverse within several months of the last shot.Full Answer >