Easiest thing to do is to go to your GP or local family planning clinic, they will be able to give you all the information you need, and help you decide which form of contraception is best suited to you.
Speaking as a girl with 4 younger brothers and sisters, my mum has been my best source of contraception advice lol. She has every method, including the coil, which she didnt like, for a variety of reasons. She's now using the implant, has been for the last 3 years with no problems. She's got to have it taken out at the end of the month tho, which she's dreading