According to FemaleFirst, the pregnant star, was rushed to the emergency of the hospital, with fear surrounding her pregnancy.
The 25-year-old woman noticed some bleeding last month and worried she was losing the baby.
She had just gotten back to Los Angeles with her rocker boyfriend Joel Madden, who was touring with his group, Good Charlotte.
The doctors reassured Richie who is four months pregnant, that she and her baby were safe. They did encourage her to eat a little more.
A source revealed, "Nicole was bleeding a lot. It was really scary for her. They found out she’s suffering from both a hormonal and nutritional deficiency."