When should a pregnant woman take the Anti-D Rh immunoglobulin injection?

If the blood type of the pregnant woman is Rh-negative, such as AB-negative, O-negative, A-negative, or B-negative, and the blood type of the husband is Rh-positive, such as A-positive, B-positive, AB-positive, or O-positive, then the Anti-D injection should be administered to the pregnant woman during the following situations:

- Vaginal bleeding after the 12th week of pregnancy.

- Occurrence of miscarriages.

- Routinely in the seventh month of pregnancy.

- After childbirth if the baby's blood type is Rh-positive.