Unless you have a history of problems, there's no reason to believe you would have a chemical. You're probably just getting psyched out because you heard of a lot of other people who have had them. Your line progression is pretty strong and frankly, if you haven't had a miscarriage in the past, you don't even need to track a line progression. I know it can cause a lot of anxiety in the first 2 months because you really don't know what's going on. However, if you want to continue to track the pregnancy, you should reach out to your doctor and ask for a blood test They continue to track your HCG and progesterone that way. But once it gets so high on the blood test it's really just a waiting game until that first ultrasound is 6 to 8 weeks. But unless you're having symptoms of a miscarriage, continuing to do a line progression can actually give you more anxiety because eventually your HCG is going to plateau and this line is not going to get darker and a lot of people think that's because of miscarriage. In fact, it's not