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Understanding the CORD BLOOD ABO/RH Test: A Guide for Patients

Introduction

The CORD BLOOD ABO/RH test is a prenatal test that helps determine the blood type and Rh factor of an unborn baby. Knowing this information is essential for ensuring safe blood transfusions and preventing potentially life-threatening conditions.

Test Overview

The CORD BLOOD ABO/RH test analyzes a blood sample obtained from the umbilical cord during delivery. It identifies two key characteristics of the baby’s blood:

* **ABO blood group:** Categorizes blood into four types: A, B, AB, and O.
* **Rh factor:** Indicates whether the baby’s blood is Rh-positive or Rh-negative.

Conditions and Diseases Detected

The CORD BLOOD ABO/RH test helps diagnose and prevent:

* **Blood transfusions:** Determines the appropriate blood for transfusions if needed.
* **Hemolytic disease of the newborn (HDN):** Occurs when the mother’s blood is Rh-negative and the baby’s blood is Rh-positive, leading to jaundice and anemia.

Preparation Guidelines

No special preparation is required. Inform your healthcare provider if you have concerns or allergies.

Procedure

* A blood sample is collected from the umbilical cord during delivery.
* The sample is analyzed in a laboratory to determine the baby’s blood group and Rh factor.
* The procedure is quick and painless with no risks to the mother or baby.

Duration and Waiting Time

* The test is typically completed within a few hours.
* Results may take a few days.

Additional Tests

* **Complete blood count:** Measures blood cells.
* **Reticulocyte count:** Indicates anemia.
* **Direct Coombs test:** Detects antibodies that may be attacking the baby’s red blood cells.

Conclusion

The CORD BLOOD ABO/RH test provides valuable information about the baby’s blood. It helps ensure safe blood transfusions and prevent serious health complications. Discuss any questions or concerns with your healthcare provider.
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