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Fetal Sex Test in Marbella

Maternal blood test to determine fetal sex early and non-invasively.

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Fetal Sex Test

This test is performed using a blood sample from the pregnant woman. Our laboratory analyzes the sample for the presence or absence of genetic markers associated with the Y chromosome. If such markers are detected, the result typically indicates a male fetus; if they are not detected, the result is generally interpreted as female—subject, in all cases, to the technical and clinical conditions established by the testing facility.

The fetal sex test involves drawing a blood sample from the mother to analyze fragments of fetal genetic material circulating in her blood during pregnancy. The laboratory examines the sample for markers associated with the Y chromosome. The presence of these markers indicates a male fetus, whereas their absence is typically interpreted as a result consistent with a female fetus, in accordance with the test’s validation criteria.

No. It is considered a non-invasive test because it is performed using a maternal blood sample and does not require access to the gestational sac or procedures involving the fetus. This distinguishes it from invasive techniques used for other diagnostic purposes, which are indicated only in specific situations based on medical judgment.

The optimal time to perform the fetal sex test may vary depending on the laboratory, the methodology used, and the characteristics of the pregnancy. In general, it is recommended to perform the test once there is sufficient fetal genetic material in the maternal blood for the analysis to yield interpretable results. For this reason, it is advisable to confirm the recommended gestational stage with the testing center or healthcare professional beforehand.

The result indicates whether or not Y-chromosome-linked genetic markers have been detected. Based on this information, an indication regarding fetal sex is provided. The report should be interpreted taking into account the laboratory’s guidelines, potential technical limitations, and the pregnant woman’s clinical context.

It does not replace ultrasound scans or prenatal check-ups. Ultrasound allows for the assessment of anatomical, developmental, and obstetric aspects that the Fetal Sex Test does not evaluate. This test focuses solely on providing information about the fetus’s sex based on a maternal blood sample.

Information about the Fetal Sex Test

The Fetal Sex Test should be viewed as a supplementary and informative test, not as an ultrasound scan or a comprehensive diagnostic genetic study. The interpretation of the result may depend on the gestational age, sample quality, type of pregnancy, and other factors. Therefore, it is advisable to consult a healthcare professional both before and after the test, especially if there are questions regarding the appropriate timing for the procedure or the meaning of the report.

Maternal blood sample

The test is performed by drawing blood from the pregnant woman. It does not require a direct fetal sample or an invasive procedure.

Study of genetic markers

The laboratory analyzes the presence of genetic signals consistent with the Y chromosome to determine whether the fetal sex is male or female.

Early information

It can help determine fetal sex before it is clearly visible on other scans, provided it is performed at the right time and based on reliable technical criteria.

Frequently Questions

No. Ultrasound imaging is used to assess the progress of the pregnancy and, at certain stages, allows for the observation of anatomical features. The Fetal Sex Test is a maternal blood test that analyzes genetic markers related to the baby’s sex.

The test looks for Y-chromosome-associated genetic markers in maternal blood. If detected, the result is typically interpreted as consistent with a male fetus. If not detected, it is generally considered consistent with a female fetus, according to laboratory criteria.

The need for fasting depends on the protocol of the center or laboratory performing the blood draw. Before your appointment, it is advisable to confirm the specific instructions to ensure proper preparation for the test.

No. The Fetal Sex Test is designed to provide information on fetal sex. It is not equivalent to a diagnostic genetic test or comprehensive prenatal screening. If information regarding chromosomal risks or genetic diseases is required, a healthcare professional will recommend the most appropriate test.

Trust in out professionals

Susana Navarro

Bachelor of Science in Biology from the University of Malaga and Specialist in Clinical Analysis

Emelina Garcia

Laboratory Specialist Technician.

Isabel García

Bachelor in Biological Sciences from University of Málaga.

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