Advice HCG

Hello everyone , my husband and I have tried for some time now , we found out we were pregnant on Sunday , I went to the hospital Tuesday due to some mild bleeding with mild cramping my levels were 380, they told me it was with rage with how far along I should be which is 3 weeks , but that they thought it was a little low , yesterday I went to my OB got my levels back today it’s 203, they told me that I am still pregnant but they want me to do it again Monday to see if I have doubled. Has any one else experienced this & had a good pregnancy. I will say I am absolutely terrified, if this is not allowed please let me know & I will delete. Here is my test progress they go in order from the date range.