Iuds arnt normally used in peopel who have not yet had kids, its some what hard to get them in there .. Or so I was told.
The depo shot can be prefect for some.. And horrendious for others, never use it unless you have been on a progesterone based pill before to make sure there are no side efects.. Cause ones in in your body you cant get rid of it. Same goes for the implant etc.
Natural family planning , withdrawal method, plain old luck arnt the best ideas as they are obviouly reliant on two people in heated passion remembering that now is not the time to put that there, you can serioslyy reduce chances by working out when you are ovulating and not havign sex then.. But you will find thats when you will be the horniest!
The patch is not over here in england in a big way yet, but it looks like the answer I have been looking for!! But people I the states who use it have told me that it can come off.. And once its off it no longer protects you.. There is no "under flow" of it incase it calls off.
Condoms are always a good idea anyway, especially if you are with new partner(s) due the amount of stds going about, but if you are both clean then thats fine. You can go to any family planning clinic and they will be able to test you or give you free condoms.
As with anytign you take there are going to be some side effect I had the depo shot for 6 months and will never have it again, the side effects I had did not outweigh the pros.. But thats just me.
Hope this helps