Positive at home, negative blood

Theresa • Mommy of 3, two heavenly babies and pregnant with our ❤️💛💚💙💜

Has this happened to anyone? I havmd four faint positives. Went in for blood. I have Hashimoto's and hypothyroid. Well of course thyroid is elevated. But hcg is 1. What in all the fucks. I had a chemical last month. I'm devastated. I'm due to start tomorrow.