Go to the doctor!
Hi I couldn't go to the Doctor if you go look at the Discussion part of this answer i put more detail in my question there Please and Thank you!
If the doctor examined you after the miscarriage you are not pregnant anymore. He would've caught it. It takes several weeks for the hormones to settle so that might be it or you are pregnant again.
i think i had a miscarriage, but i never knew i was pregnant. how do i find out for sure
Yes
Yes
Yes.
Yes.
Yes.
Yes
yes,miscarriage is a great risk of a 3 week pregnant woman.
No they can not.
Yes and even earlier.
Possible if you took no protection and were ovulating.