Hormonal coil (IUS) vs Copper coil (IUD)

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Hormonal coil (IUS)

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Copper coil (IUD)

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Overview

Rated 3.5

834 reviews

Every 3-8 years

Frequency

Over 99%

Effectiveness

None

Blood clot risk

None

Effect on fertility

Rated 3.5

595 reviews

5 - 10 years

Frequency

Over 99%

Effectiveness

None

Blood clot risk

None

Effect on fertility

Hormonal coil (IUS) ingredients

Main hormones in Hormonal coil (IUS)

progestogen

Copper coil (IUD) ingredients

Most copper coils are made of a T-shaped frame of polyethylene (plastic) and barium sulphate. Copper wire is wound around the vertical arm.

What Lowdown reviewers say

43% no impact on mood

47% stopped periods

48% no impact

59% no impact

53% no impact on skin

Cycle return

33% don’t know impact

55% no impact on mood

68% heavier periods

63% no impact

75% no impact

75% no impact on skin

Cycle return

44% in 1 month

Benefits: What this contraceptive can help with

Adenomyosis

Endometriosis

Heavy periods

Menopause

Period pain

There are no benefits that are recognised in scientific research or guidelines for this contraceptive

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Check out our latest reviews

Real life reviews from people like you

Hormonal coil (IUS) reviews

834 reviews

Hormonal coil (IUS)  
Used for 3 - 5 yr
28 years old
🇬🇧 UK
  •  6 days ago

Mirena coil  

Generally the Mirena has been great. Only noticed most of the side effects after 4 years having it in - and they’re still very manageable.

Read more

Decreased sex drive

1 more effect

0 helpful

0 comments

Hormonal coil (IUS)  
Used for 18 mo - 3 yr
22 years old
🇬🇧 UK
  •  2 weeks ago

Kyleena coil  

So I’ve had the kyleena put in just over 2 years ago. For the first 18 months it was great, there was no side effects and my periods were getting lighter and less painful! After that, I started noticing quite a bit of hair loss during showers and brushing, visibly making my hair look thinner. I’ve always had thick hair so this was quite upsetting and I put it down to the stress I had during college. Now I’m in a new job that I’m loving, the hair loss hasn’t subsided. It’s still falling a lot everyday so I’m deciding to get the kyleena removed in a months time. I’ve been to the GP and got bloods done in which everything came back fine. So hopefully once I’ve the kyleena removed my hair will slowly start growing back :(


Very positive mood

3 more effects

0 helpful

0 comments

Hormonal coil (IUS)  
Used for 1 - 3 mo
27 years old
🇬🇧 UK
  •  3 weeks ago

Benilexa coil  

Not 100% sure what to think yet. Enjoying not having to worry about administrating my contraception as it’s in there and working. However I am having unpredictable spotting, some emotional mood swings and often being bloated.


Somewhat negative mood

1 more effect

0 helpful

0 comments

Hormonal coil (IUS)  
Used for 3 - 5 yr
28 years old
🇬🇧 UK
  •  6 days ago

Mirena coil  

Generally the Mirena has been great. Only noticed most of the side effects after 4 years having it in - and they’re still very manageable.


Decreased sex drive

1 more effect

0 helpful

0 comments

Hormonal coil (IUS)  
Used for 18 mo - 3 yr
22 years old
🇬🇧 UK
  •  2 weeks ago

Kyleena coil  

So I’ve had the kyleena put in just over 2 years ago. For the first 18 months it was great, there was no side effects and my periods were getting lighter and less painful! After that, I started noticing quite a bit of hair loss during showers and brushing, visibly making my hair look thinner. I’ve always had thick hair so this was quite upsetting and I put it down to the stress I had during college. Now I’m in a new job that I’m loving, the hair loss hasn’t subsided. It’s still falling a lot everyday so I’m deciding to get the kyleena removed in a months time. I’ve been to the GP and got bloods done in which everything came back fine. So hopefully once I’ve the kyleena removed my hair will slowly start growing back :(


Very positive mood

3 more effects

0 helpful

0 comments

Hormonal coil (IUS)  
Used for 1 - 3 mo
27 years old
🇬🇧 UK
  •  3 weeks ago

Benilexa coil  

Not 100% sure what to think yet. Enjoying not having to worry about administrating my contraception as it’s in there and working. However I am having unpredictable spotting, some emotional mood swings and often being bloated.


Somewhat negative mood

1 more effect

0 helpful

0 comments


Copper coil (IUD) reviews

595 reviews

Copper coil (IUD)  
Used for 8+ yr
35 years old
🇬🇧 UK
  •  5 days ago

Copper coil (IUD)  

My experience of the copper IUD is mixed, even if overall positive. I first got it as emergency contraception after my first sexual experience, and was not properly offered any pain relief. The pain was excruciating and slightly traumatic, but also as I wasn't used to things going inside my vagina either. However it served me perfectly for 5 years, and no hormones and side effects from those. When it was time for renewal I was prepared emotionally and knew what pain relief to ask for. The procedure itself was quick and felt very empowering. They offered me the 10 year one which was slightly bigger and I thought it was no big deal. I was in constant low level pain and discomfort with it, and periods became excruciating. I got it switched back to a 5 year one and this cleared up. Again. the procedure was fairly quick as I knew my body and had good pain relief. My last one suited me fine up until around 2020, when the combination of the stress from the pandemic and using an expired lube gave me recurring yeast infections that lasted at least a year. I then discovered that it had slipped and so got it removed, deciding to switch to Fertility Awareness Method. After that, the recurring yeast infections stopped.


Top side effects not reported

0 helpful

0 comments

Copper coil (IUD)  
Used for 1 - 3 mo
28 years old
🇬🇧 UK
  •  2 weeks ago

Copper coil (IUD)  

Personally, I would never get another coil again. The reason for 2 stars is I actually had the copper coil inserted in 2018 and it was okay but I had it removed in 2021 after asking for it to be removed for over a year. My periods were heavier as expected, but I also had thrush every month, BV multiple times and it just became so uncomfortable dealing with this constantly. I had the copper coil again this year (march 2025) and it was awful. The insertion this time took an hour compared to the 10 minutes last time. I was in so much pain I was heaving, I have had three babies and this was worse than birthing a child. They finally got it in and I ended up with a mild infection probably due to how long and how many attempts it took. A week later it started to settle down 🤞🏼 however almost three months later and I'm having it removed next week. I don't know if it's misplaced (they will be checking this first) but I feel it 'stabbing' me randomly every day. I will be walking and suddenly stop and feel like it's stabbing me or trying to come out, but I can still feel the strings. On two occasions it's hurts me during sex which is a red flag. My periods are 10-12 days long and I'm getting through a pack of pads every 1-2 days, plus the thrush is back again. I was offered a replacement however I have declined and I am currently trying to decide which combined pill may be best for me, tho I am nervous about going on the pill now!


Top side effects not reported

0 helpful

1 comments

Copper coil (IUD)  
Used for 18 mo - 3 yr
27 years old
🇬🇧 UK
  •  3 weeks ago

Copper coil (IUD)  

I was having heavier periods


Top side effects not reported

0 helpful

0 comments

Copper coil (IUD)  
Used for 8+ yr
35 years old
🇬🇧 UK
  •  5 days ago

Copper coil (IUD)  

My experience of the copper IUD is mixed, even if overall positive. I first got it as emergency contraception after my first sexual experience, and was not properly offered any pain relief. The pain was excruciating and slightly traumatic, but also as I wasn't used to things going inside my vagina either. However it served me perfectly for 5 years, and no hormones and side effects from those. When it was time for renewal I was prepared emotionally and knew what pain relief to ask for. The procedure itself was quick and felt very empowering. They offered me the 10 year one which was slightly bigger and I thought it was no big deal. I was in constant low level pain and discomfort with it, and periods became excruciating. I got it switched back to a 5 year one and this cleared up. Again. the procedure was fairly quick as I knew my body and had good pain relief. My last one suited me fine up until around 2020, when the combination of the stress from the pandemic and using an expired lube gave me recurring yeast infections that lasted at least a year. I then discovered that it had slipped and so got it removed, deciding to switch to Fertility Awareness Method. After that, the recurring yeast infections stopped.


Top side effects not reported

0 helpful

0 comments

Copper coil (IUD)  
Used for 1 - 3 mo
28 years old
🇬🇧 UK
  •  2 weeks ago

Copper coil (IUD)  

Personally, I would never get another coil again. The reason for 2 stars is I actually had the copper coil inserted in 2018 and it was okay but I had it removed in 2021 after asking for it to be removed for over a year. My periods were heavier as expected, but I also had thrush every month, BV multiple times and it just became so uncomfortable dealing with this constantly. I had the copper coil again this year (march 2025) and it was awful. The insertion this time took an hour compared to the 10 minutes last time. I was in so much pain I was heaving, I have had three babies and this was worse than birthing a child. They finally got it in and I ended up with a mild infection probably due to how long and how many attempts it took. A week later it started to settle down 🤞🏼 however almost three months later and I'm having it removed next week. I don't know if it's misplaced (they will be checking this first) but I feel it 'stabbing' me randomly every day. I will be walking and suddenly stop and feel like it's stabbing me or trying to come out, but I can still feel the strings. On two occasions it's hurts me during sex which is a red flag. My periods are 10-12 days long and I'm getting through a pack of pads every 1-2 days, plus the thrush is back again. I was offered a replacement however I have declined and I am currently trying to decide which combined pill may be best for me, tho I am nervous about going on the pill now!


Top side effects not reported

0 helpful

1 comments

Copper coil (IUD)  
Used for 18 mo - 3 yr
27 years old
🇬🇧 UK
  •  3 weeks ago

Copper coil (IUD)  

I was having heavier periods


Top side effects not reported

0 helpful

0 comments

Copper coil (IUD)  
Used for 12 - 18 mo
30 years old
🇬🇧 UK
  •  1 month ago

Copper coil (IUD)  

I used to have fairly light and painless periods and I’m now in agony every month and bleeding through my clothes. I have it time to see if it would settle but it’s been a year so I’ve booked to get it removed and can’t wait.


Top side effects not reported

0 helpful

0 comments

Copper coil (IUD)  
Used for 18 mo - 3 yr
22 years old
🇬🇧 UK
  •  1 month ago

Copper coil (IUD)  

I never had acne before but now I constantly have break out, my skin has not been pimple free in 2 years


Somewhat negative mood

2 more effects

0 helpful

0 comments

Copper coil (IUD)  
Used for 3 - 5 yr
37 years old
🇬🇧 UK
  •  7th May 25

Copper coil (IUD)  

After having children the contraceptive pill didn’t seem to work, I tried various types and had breakthrough bleeding. I decided to try the copper coil. Insertion was so painful but my periods have been regular and through tracking apps I’ve got to understand my cycle and know what my hormones are doing which I quite like.


Very positive mood

0 helpful

0 comments

Copper coil (IUD)  
Used for 3 - 6 mo
27 years old
🇬🇧 UK
  •  28th Apr 25

Copper coil (IUD)  

The copper coil hurt the first day of insertion but then immediately settled. My periods have become slightly heavier and cramps a bit more painful but still very manageable with just paracetamol and ibuprofen. I am lucky in that my periods only last 4-5 days anyway. My moods change with a normal cycle pattern, I get some acne during my luteal phase. I love having protection but not having the negative impacts on my MH like hormonal contraception had. Would recommend.


Somewhat positive mood

1 helpful

0 comments

Copper coil (IUD)  
Used for 3 - 6 mo
29 years old
🇬🇧 UK
  •  27th Apr 25

Copper coil (IUD)  

It's so hard finding contraception that doesn't have side effects and I wanted a hormone free form, so opted for copper IUD. Insertion is manageable, with painkillers beforehand. The first period was tough, I invested in a tens machine pad but the cramps were hard, but not worse than the worst period I've had. Second period non existent, literally three days and barely any blood, but third was heavy and lasted for 10 days. I stopped using the coil not because of any of this alone, but because I'm sure the inflammation in my body was making me uncharacteristically anxious. So hard to put my finger on, but since I got it removed it's been a weight off my shoulders. I'm now worrying that hormonal IUD will make me more anxious, and I haven't had it put in yet. It's overall not been too awful- I wouldn't not recomend it but I had it put in for emergency contraception so hoping there is a better solution out there without the anxiety side effects.


Somewhat negative mood

1 helpful

0 comments

Copper coil (IUD)  
Used for 18 mo - 3 yr
24 years old
🇬🇧 UK
  •  26th Apr 25

Copper coil (IUD)  

Really liked this. Tried hormonal methods and ended up having a negative experience with them so had a go at this one. Works great. Most problems stopped after 6 months, like heavier bleeds and back pain etc. Eventually got down back to normal but it takes time to adjust. Genuinely made my life so much better, sex is great and I don't need to worry about hormones or my menstural cycle.


Very positive mood

1 more effect

0 helpful

0 comments

Copper coil (IUD)  
Used for 18 mo - 3 yr
25 years old
🇬🇧 UK
  •  9th Apr 25

Copper coil (IUD)  

Seriously heavy periods (wearing nightime pads and a tampon and still bleeding through my clothes in like an hour) and sometimes extruciating cramping. A lot of spotting between periods also which I've never experienced before. Nurse has told me that the coil should not affect my bleeding and I've gone straight from the mini pill to this so it may have been that the pill was improving my regular symptoms more than I realised.


Decreased sex drive

1 more effect

1 helpful

0 comments

Contraceptive alternatives and comparisons

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