To find out if the child is a child, there is a blood test that aims to identify the sex of the baby after the 8th week of gestation by maternal blood test, which identifies the presence of the Y chromosome, which is present in the male sex.
This test can be done from the 8th week of gestation, however, even more weeks if you have to, the greater the result. To perform this test, the embarrassed patient does not need medical advice and should not be, it is important that she is well fed and hydrated when taking blood samples to avoid possible complications.
- Fetal sex testing is done by removing a small blood sample.
- Which is sent to the lab for testing; fetal DNA fragments in mamm blood are evaluated in the laboratory using molecular techniques.
- Such as PCR.
- For example; used to identify the presence of absence from the SYR region.
- Which is the area containing the Y chromosome present in children.
Women who have had a bone marrow transplant or blood transfusion, such as male donors, do not need to perform this test, as the result may be incorrect.
The fetal sex test result takes about 10 days, however, if requested urgently, the result may take up to 3 days.
The purpose of the tests is to identify the presence or absence of the SYR region, so the possible results are:
In the case of twin pregnancies, if the result is negative for the Y chromosome, the mother will know that she will have children, but if the result is positive, the mother will know that there is at least 1 child, so the other baby may be a woman.