Price, 34, who is expecting husband Kieran Hayler's child, said if her health gets deteriorated she would know who to blame, reported Daily Star.
"If I lose this baby there are certain people ill (sic) be blaming some people are so cruel and not what they seem... Cruel cruel cruel," she posted.
Her tweet has sparked a flurry of comments on the social networking site with fans sending well wishes and support to the model.
The model-entrepreneur is due to give birth in July. This would be her first child with her third husband.