Someone ease my worries

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I am supposed to be 6 weeks on 6/30. I have an ultrasound scheduled. I hardly have any symptoms. This is my first pregnancy. I struggled with infertility for 2 years and just got pregnant. I'm so scared I'm going to miscarry. I don't have any spotting. Just creamy discharge. Someone tell me this is going to be okay. I'm on vaginal progesterone and daily aspirin.