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Preeclampsia
Last reviewed: October 2026
High blood pressure in pregnancy, most likely from 20 weeks onward, which can also develop after birth. Women from a Black background are at higher risk. It affects 3 to 8% of births worldwide, and low-dose aspirin can help prevent it in women at risk.
Warning Signs
- High blood pressure
- Severe headache that painkillers don't help
- Vision changes
- Sudden swelling of the face, hands or feet
Prevention Tips
- Attend all antenatal appointments
- Ask whether low-dose aspirin is right for you
- Report symptoms immediately — don't wait
Where to get checked or find care for preeclampsia in your country.
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Medical disclaimer: This information is for education and community awareness only. It is not medical advice, diagnosis or treatment. Always talk to a qualified healthcare provider about your health, and call emergency services if you think someone needs urgent help.