Hi,
Thanks for writing to us.
Intrauterine device(IUD).
Yes it can be kept for 5 years. If you do not want keep it or if you have side effects like infections,severe
abdominal pain then doctor can remove it.
Yes, IUD can causes side effects like spotting in mid of cycle,
irregular periods,scanty periods, cramps,breast tenderness, some women complaints increased menstrual flow .
These are not serious side effects.They will disappear shortly.
You need check IUD string periodically to know it is right in place.
You need not worry.mostly it does not cause any serious health problems.
If you have severe abdominal pain , heavy menstrual flow then you need visit a doctor immediately.
Hope I have answered your query.
Thank you.