Complete blood count (CBC) during pregnancy

This is an automatically translated article.

The article was professionally consulted with Master, Doctor Pham Thi Thuy Nhung - Head of Laboratory Department - Laboratory Department - Vinmec Hai Phong International General Hospital.
A complete blood count test is considered one of the important tests for pregnant women. It is one of the most basic tests performed routinely to assess the overall health of a pregnant woman and thereby detect disorders such as infections, anemia and blood diseases, etc. v

1. What is a complete blood count (CBC)?

The Complete blood count (CBC) test gives important information about the number and types of cells in the blood, such as red blood cells, platelets, and white blood cells. A total peripheral blood cell analysis helps doctors find the cause of symptoms such as weakness, fatigue, and bruising that are common in pregnant women. Because most likely these are signs of anemia syndrome, infection and other disorders.
A complete blood count during pregnancy can be performed as part of a routine pregnancy health assessment, which can provide valuable information about general health.

Trắc nghiệm: Bạn có hiểu đúng về dấu hiệu mang thai sớm?

Các dấu hiệu mang thai sớm không phải chỉ mỗi trễ kinh mà còn có rất nhiều dấu hiệu khác như xuất huyết âm đạo, ngực căng tức,… Điểm xem bạn biết được bao nhiêu dấu hiệu mang thai sớm thông qua bài trắc nghiệm này nhé!

Specifically, a complete blood count (CBC) will give us information about the following:
White blood cell count (WBC): When a person is infected with bacteria, the white blood cell count increases. This index helps determine the possibility of infection or assess the body's response to cancer treatment. White blood cell percentage (WBC): The percentage of white blood cells such as neutrophils, lymphocytes, monocytes, basophils, and eosinophils provides important information about the system. immune system. From there, assess the risk of infection, allergic reaction to drugs, chemicals, or leukemia...etc. Red blood cell count (RBC): Determine anemia (low red blood cells) or polymorphism red blood cells (high red blood cells). Hematocrit (HCT) and Hemoglobin (Hgb) : are the 2 main tests to evaluate the possibility of anemia or polycythemia. Red blood cell count: including mean volume (MCV), mean hemoglobin (MCH) and mean hemoglobin concentration (MCHC) helps diagnose different types of anemia. Platelet count (thrombocytes): evaluates hemostasis and the risk of stroke, heart attack, and blood vessel blockage. Mean platelet volume (MPV): is used along with platelet count. to diagnose certain diseases.

Xét nghiệm tổng phân tích tế bào máu khi mang thai có thể được thực hiện như một phần của đánh giá sức khỏe thai kỳ định kỳ
Xét nghiệm tổng phân tích tế bào máu khi mang thai có thể được thực hiện như một phần của đánh giá sức khỏe thai kỳ định kỳ

2. Why should a complete blood count test during pregnancy?

A pregnant woman may be ordered by a doctor to have a complete blood count test for many reasons such as:
General physical examination: a CBC test is part of a regular general examination. Diagnosis of some medical conditions: the doctor will recommend that pregnant women do a complete blood count test if they see signs of fatigue, weakness, fever, inflammation, bruising or bleeding. The above symptoms and signs can all be caused by anemia, infection or leukemia, polycythemia vera... Monitor the health status of mother and child: if the pregnant woman has ever been diagnosed with a disorder If you have a blood disorder that affects your blood cell count, your doctor may order regular blood tests to monitor your medical condition. In addition, if the hemoglobin or hematocrit index (RBC) is low, it is a sign that the pregnant woman is iron deficient, anemic, and hinders the development of the fetus. Evaluation of treatment methods: CBC blood count is also used to monitor the health status of pregnant women if they are taking drugs to treat other diseases but affect the number of blood cells, helping to check the body's condition. respond to certain medications or radiation treatment. Screening for high and low blood values ​​before surgery (cesarean section): make sure the pregnant woman is healthy enough to perform surgery, not anemic or suffering from hemophilia....

3. Procedure for performing CBC . test

If a pregnant woman only takes blood for the CBC test, there is no need to fast or fast before the test. However, in most cases, the doctor will take this blood sample to do more tests at the same time, so sometimes those additional tests require the pregnant woman to fast before drawing blood. So it is best to consult your doctor and follow his or her instructions about eating and drinking before drawing blood.
On the day of the test, you should wear a short-sleeved shirt so that the medical staff can easily draw blood from your arm. Steps to take blood for CBC test include:
Step 1: Wrap an elastic band around your arm to stop the blood circulation.
Step 2: Disinfect the blood collection site with alcohol.
Step 3: Insert the needle into the vein and draw blood. More than one needle bar may be needed if necessary.
Step 4: Remove the bandage from the arm after taking enough blood.
Step 5: Place gauze or cotton ball on the injection site to stop bleeding.
Step 6: Stick a bandage on the injection site.

4. Note about CBC test results


Thai phụ hút thuốc có thể làm ảnh hưởng đến kết quả kiểm tra
Thai phụ hút thuốc có thể làm ảnh hưởng đến kết quả kiểm tra
When receiving the results of the total blood cell analysis, please note that the test results are subject to a number of objective reasons such as:
Pregnancy: anemia is common during pregnancy. Exercise, stress, smoking: white blood cell count may decrease Taking certain medications can cause low platelet levels. Examples include steroid drugs, some antibiotics, Thiazide diuretics, chemotherapy drugs, Quinine and Meprobamate. People with an enlarged spleen: this may cause thrombocytopenia or a low white blood cell count. An enlarged spleen can be the cause of some types of cancer. High triglyceride fat in the body: can also cause white blood cell, hemoglobin to increase artificially. Children often have higher white blood cell counts than adults. Various medical conditions can lead to an increase or decrease in the number of blood cells in the body. Some conditions need to be treated while others will go away on their own. Before performing a complete blood count test, pregnant women should understand the warnings and precautions. If you have any questions, talk to your doctor for more information and specific instructions.
Vinmec International General Hospital is one of the hospitals that not only ensures professional quality with a team of leading medical doctors, modern equipment and technology, but also stands out for its examination and consultation services. comprehensive and professional medical consultation and treatment; civilized, polite, safe and sterile medical examination and treatment space. Customers when choosing to perform tests here can be completely assured of the accuracy of test results.

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