Generally, it takes between seven and 10 hours for a dog to digest food, but the many variables mean that only your vet can tell you how long it should be taking.
But how many days after Provera will your period start? When using Provera for amenorrhea (absence of menstrual periods) or abnormal vaginal bleeding, the medication is taken for 5 to 10 days. Menstrual-like vaginal bleeding usually occurs three to seven days after treatment ends.
You can start with the first Depo-Provera injection anytime in the cycle. Continue with your pills until your current pack is finished. You are currently using an IUD. You can start with the first Depo-Provera injection anytime in the cycle. Do not have the IUD removed for at least 2 weeks.