I’m a high risk pregnancy 😞 please read

Last October I had a miscarriage due to a rare disease I was always a high risk pregnancy. But then the tragedy happened. My husband and I have been trying to get pregnant for almost 3 years now. We are pregnant again almost 7 weeks!!! But I’m bleeding to goes back and forth between brown pink and light red. I’m so scared that something is wrong! I went to the emergency room Monday they said the baby is fine but they don’t know why I’m bleeding like I am. Today I’ve had shape pain and when I went to the bathroom this is that I found....

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I don’t know what to do! I’m so stressed out and scared! Please help me understand what’s going on. Has some one gone through this too???