1, the B antibody in the blood is not obvious or the blood is polluted, which makes it impossible to detect the accurate blood type. Need to review
2. The blood is RH-negative type B, which belongs to less blood type and needs to be rechecked.
The consultation telephone is only opened during normal working hours, and the telephone is basically unanswered at other times.
If you can't get through, you can go to the blood donation point to ask such questions, and the staff will help you solve them.
-Volunteer blood donors in Shenzhen