03/01/2026
The exact cause of pre-eclampsia isn’t known however it’s thought it occurs when there’s a problem with the placenta.
Most people only experience mild symptoms but if it isn’t treated it can lead to serious complications for both mum and baby so it’s important it is diagnosed and monitored.
According to the NHS, the earlier symptoms of pre-eclampsia are present the more severe the condition will be.
Other factors that can slightly increase the risk include:
- a family history of pre-eclampsia
- if you’re aged over 40
- it’s been more than 10 years since your last pregnancy
- if you are expecting multiple babies
- if your BMI is 35 or higher
If you have 2 or more of these together your chances are higher.
If you’re diagnosed with pre-eclampsia you’ll be referred to a specialist at hospital where they’ll do further tests to see how severe it is. Pre-eclampsia will only be cured by giving birth to your baby, so you’ll be monitored closely until it’s possible to deliver your baby. You’ll need to attend regular appointments so you can be monitored and in severe cases you may need to be admitted to hospital.
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