Need help

So i had a mc on December 9th my hcg levels were only 24 at 6 weeks pregnant.

Well a few days ago i tested and got a positive but after my mc i never had a period after i stop bleeding from the mc we started trying again just dont know when my due date will be and need help im not going to the dr until February just because losing 2 hurt i dont wanna go until im a little farther along any help would be great. Started bleeding on the 9th and stopped bleeding on the 17th. Im guessing im 5 weeks 2 days but not sure