I used iud and now i have pregnancy symptoms. My...

Dear Customer
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Is it possible that its cause by pregnancy ?
its highly unlikely , as IUD effectivness reach to 99.3 % in preventing pregnancy , and the most possible cause of those symptoms are as a side effect of IUD , as hormonal imbalance may cause similiar symptoms to pregnancy 
Possible side effects of IUD :
1. headache 
2. breast pain
3. period abnormalties 
4. mood changes 
5. increase weight 
How long does your medical condition may last ?
its may last around 3-6 months , as IUD preventing ovulation 
What to do next ?
1. consult your OBGYN doctor about your medical condition to make sure you are healthy 
2. have plenty of rest 
3. have a healthy life style and exercise regularly 
4. if your symptoms appear to be so severe , reconsult your doctor 
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Kind Regards