What should you know about a copper coil with no hormones?

The device does not release contraceptive hormones into your body. Copper changes the environment in the womb so sperm movement and fertilisation are disrupted. It does not protect against sexually transmitted infections. Periods may become heavier, longer or more crampy, especially after fitting, so discuss your usual bleeding pattern before choosing it.

A trained clinician inserts the coil through the cervix and checks that it sits in the womb. You may have cramping or light bleeding afterwards. Learn how the threads feel if your clinician recommends checking them, and attend any advised follow-up. The coil can be removed when you want to try for pregnancy or change contraception. A hormonal coil is another option if reducing menstrual bleeding is a priority.

Contact a healthcare professional promptly for severe or worsening pelvic pain, fever, unusual-smelling discharge, very heavy bleeding, a late period with pain, or concern that the coil has moved. Seek urgent help for intense pain, fainting or heavy bleeding. These symptoms need assessment rather than an assumption that the device is the cause.

Ask whether your bleeding or pain history affects suitability, what discomfort to expect during fitting, how to check the threads, and which symptoms require a same-day review. You can also ask how a copper coil compares with a [Hormonal Coil](/treatments/contraception-and-family-planning/hormonal-coil/).