Is it necessary to store umbilical cord blood?

Jul 16, 2020 Source: Cainiu Health

Dr. Liu Xiuyan

Introduction

Is it necessary to store umbilical cord blood? Umbilical cord blood refers to the blood remaining in the umbilical cord after delivery and clamping. It can be used to treat various hematologic disorders; therefore, storing umbilical cord blood is advisable. Its unique value lies in its rich content of hematopoietic stem cells, which can be utilized to rebuild the blood and immune systems.

Umbilical cord blood is the blood remaining in the umbilical cord after the baby is delivered and the cord is clamped and severed. Cord blood can be used to treat various hematologic disorders, making its preservation highly advisable.

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The unique value of umbilical cord blood lies in its rich content of hematopoietic stem cells, which can reconstitute the blood and immune systems—offering significant therapeutic potential for leukemia and other inherited diseases affecting the blood and immune systems.

The likelihood of successful use of cord blood among biologically related family members ranges from 25% to 50%. Thus, if a family member suffers from a serious hematologic or immunologic disorder, storing cord blood increases the chances of finding a suitable donor within the family.

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Umbilical cord blood can be stored long-term without exposure to radiation, medications, toxins, pathogens, or other environmental contaminants. It is readily available for immediate use, offering convenience and speed. Moreover, when used for allogeneic transplantation, cord blood elicits fewer immune rejection reactions, and the incidence and severity of graft-versus-host disease are lower compared with bone marrow transplantation.

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What should be done if the fetal umbilical cord is wrapped around the neck twice?

For a fetus with two loops of umbilical cord around the neck, management includes enhanced fetal movement monitoring, regular prenatal check-ups and assessments, maintaining proper body positions, avoiding strenuous activities, and medical interventions when necessary. Immediate medical attention is required if abnormal fetal movements occur or prenatal evaluations indicate fetal distress in utero. Count fetal movements at fixed times each day; normal frequency is 3–5 movements per hour, and no fewer than 10 movements within 12 hours.

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Is it still meaningful to perform umbilical cord blood puncture at 35 weeks?

If previous ultrasound, maternal serum screening, or non-invasive prenatal testing (NIPT) indicated risks of fetal chromosomal abnormalities, intrauterine infection, etc., performing cordocentesis at 35 weeks can provide a definitive diagnosis, guiding clinicians in planning delivery strategies and postnatal interventions. In such cases, the procedure is usually meaningful and helps ensure timely management of potential fetal health issues.

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How to resolve a double nuchal cord at 37 weeks of pregnancy

At 37 weeks of gestation with two loops of nuchal cord, it is essential to follow the doctor's guidance. Currently, there is no direct method to manually "untwist" the umbilical cord. However, monitoring and adjusting maternal physical condition may assist in observation. Recommended measures generally include regular fetal movement counting, adjusting daily postures, controlling activity intensity, maintaining emotional stability, and undergoing routine ultrasound examinations. A detailed analysis is as follows:

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Which medications can treat neonatal umbilical cord bleeding?

Under normal circumstances, the main causes of neonatal umbilical cord bleeding include failure of the umbilical cord stump to detach, loose ligation of the umbilical cord, omphalitis, vitamin K deficiency, and abnormal coagulation function. Depending on the specific situation, medications such as povidone-iodine solution, Yunnan Baiyao Powder, Cefaclor for oral suspension, vitamin K1 injection, and human prothrombin complex may be selected under medical guidance.

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What causes bleeding from a newborn's umbilical cord?

Under normal circumstances, neonatal umbilical cord bleeding may be caused by natural detachment of the umbilical cord, local friction or trauma, omphalitis, abnormal coagulation function, or umbilical granuloma. Prompt medical attention is required, and treatment should follow medical advice. After birth, the umbilical cord in newborns will gradually dry and detach naturally. During this detachment process, small blood vessels around the umbilical cord may bleed slightly due to incomplete closure.

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Can prenatal checkups detect the problem of umbilical cord around the leg?

Prenatal examination, also known as antenatal checkup, can usually detect fetal position and obvious cases of nuchal cord (umbilical cord around the neck) when the fetal position is favorable. However, when the fetal position is unfavorable or the nuchal cord is mild, prenatal examinations may not always provide an accurate diagnosis. Pregnant women should maintain a positive and optimistic mindset, follow a balanced diet, engage in appropriate physical activity, undergo regular prenatal checkups, and follow the professional advice of their doctors.

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How long after a newborn's umbilical cord stump forms a scab can the baby take a bath?

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