I have just spoken to my Doctor regarding this matter, he said the pelvic ultrasound something cannot perfectly detected the process of pregnancy because the cell was so small. However, he also cannot explain to me why I still get pregnant while I was bleeding like period . I am still not sure this is the 2nd pregnancy or still the same one before I was bleeding.
My due date is October 26th too. My last menstrual period was Jan 23rd. So it makes sense. I got my positive pregnancy test on February 17th.
So you got pregnant about two weeks after you m/c.
Sounds to me like you miscarried at then got pregnant again right away. During pregnancy they count you being pregnant from 2 weeks before you actually are (because its easier to date pregnancy from the first day of your last menstral cycle). So basically you concieved around Feb 2nd. Congrats on your pregnancy! :)
It's possible that you were pregnant with twins and lost one of them. Also, do they know for sure that you passed the baby?
When you had your ultrasound done when you were bleeding, if you weren't very far along (my guess is 4 or 5 weeks??) you wouldn't have seen much. I've heard/read stories of women who's numbers would go down but still be pregnant (it's un-common but I've heard of it happening).
There's no way of knowing for sure unless you know you passed a baby. I'm glad that things are currently going ok with you!