Most women get them at their local Family Planning Clinic. Quite a few GPs also offer the injections. The most obvious advantage to contraceptive injections is that you only have to do something about birth control every eight or twelve weeks - the rest of the time you can forget all about it. It is also believed that contraceptive injections give some protection against cancer of the womb . Your periods will probably be quite different.
Some women have periods that last longer.
Others have light, irregular bleeding. None of this is serious, but some women feel anxious about the changes to their periods and others find these changes very annoying. Some women find it something of a chore to have to go and get injected every eight or twelve weeks. Many women put on weight, although this should be no more than about five pounds after using this method for a year. Some women seem to suffer depression while on the injections.