Sensitive question for MMC mamas

For those of you who had a blighted ovum or MMC, did you have any symptoms leading up to it? I’m 6 weeks and very anxious since we haven’t had our first US yet. My pregnancy test lines have all been getting darker and I’m having all the normal symptoms, so I should have no reason to be concerned. But I keep reading stuff online about how you can still have pregnancy symptoms and your body just hasn’t recognized the miscarriage yet. 😩