You should get a tetanus shot every 10 years. If you work in an environment where you are more likely to get injured, you should get them every 5 years. If you get a wound that is deep or gets dirty...
It takes an average of 9 to 10 months for fertility to return after the last shot. By 18 months essentially all women will have returned to whatever level of fertility they had to start with.
If you want to stop the injection all you need to do is not have your next injection. Your periods and natural fertility may take a while to return after you stop using the injection. However, it is...
the last supper last when jesus says one of you will betray me then the followers were asking if it was "me" or "me" jesus told them you know who you are then when jesus went to pray in a queit place...