Any chance it’s not an ectopic?!

Sophie

With these HCG levels, is there any way it's not ectopic or miscarriage? I am so confused by this last beta where it doubled. Anyone else experienced this?

10dp5dt (4w1d): 168

13dp5dt (4w4d): 314

15dp5dt (4w6d): 390

17dp5dt (5w1d): 789

Small part of me thought possible vanishing twin 🤞🏻