What is the Sampling Method for Paternity Testing of Children?

What kind of sample is most suitable for children?

In general, if the child is less than 4 years old, blood collection or Disposable Oral Swab is generally recommended; as long as 4-5 drops of blood are collected, 5-6 oral swabs can be used. As for how to collect, you can take a look at the following introductions, so that you can take samples at home in time.

DNA Test Swabs

Steps to take for blood staining:

1) Buy medical sterilized gauze and medical alcohol at the pharmacy, prepare paper envelopes and mark the samples;

2) After sterilizing the blood collection site and blood collection needle with alcohol, use your needle to take blood from your fingertips or earlobe, take five drops of blood, and place it on the disinfection gauze.

3) Dry the gauze with blood and yin (do not blow with mouth or blow dryer), make sure to dry it before putting it into the marked envelope bag.

4) Different samples are placed in different paper envelopes separately, and they cannot touch each other. The envelopes are clearly marked and should not be confused.

Steps for DNA Test Swabs:

1) Purchase medical cotton swabs in pharmacies, prepare paper envelopes and mark samples;

2) Use a cotton swab to wipe 10-15 times on the inner wall of the child's mouth; if the child is too small, you can directly wet it with saliva;

3) Naturally dry cotton swabs (do not blow with a mouth blower or blow dryer), make sure to dry them before putting them in the marked envelope bag.

4) Different samples are placed in different paper envelopes separately, and they cannot touch each other. The envelopes are clearly marked and should not be confused.

In addition to blood stains, oral swabs, hair, toothbrushes, nails and other samples can be used for children over the age of four. When collecting oral swabs, take care to collect the child half an hour after eating.

Can oral cells be used for DNA paternity testing? Are there any precautions? The answer is yes. Human blood, hair, saliva, and oral cells can be used for DNA paternity testing, which is very convenient. Oral cells are one of the routine test materials for DNA paternity testing. Because they are non-invasive, convenient, and easy to collect, they have been accepted and recognized by many clients, and the extraction of oral cells is also very convenient for personal paternity testing. The appraised person can take a sample at home, extract the oral cells, and then send the paternity test sample to the paternity test center or mail it to the paternity test center. It is easy to implement.

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