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Fetal Sex Determination Test in Rio de Janeiro
Analyzes fetal DNA in maternal blood to determine the baby's sex early and safely.
Also known as: Fetal Sex Test, Baby Gender Test
Sample : Blood
No fasting required
Measures/Identifies
Determines the baby's sex by analyzing fetal DNA in the mother's blood.
Who is it for?
Pregnant patients from the 9th week of pregnancy onward. Not recommended for patients who have received organ transplants or blood transfusions in the past 6 months.
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Why this test?
Identifies the baby's sex by detecting free fetal DNA in the mother's blood by specifically evaluating the presence of Y chromosome DNA. It can be performed from the eighth week of pregnancy, counting from the date of the last menstrual period. It is recommended for pregnant women who wish to know their baby's sex early and safely. The test should not be performed on patients who have received organ or bone marrow transplants, blood transfusions within the last 6 months, or who are taking heparin-based anticoagulants, as these can interfere with the analysis. This study does not detect pregnancy; if performed on a woman who is not pregnant, the result will show “girl,” as it identifies the absence of male DNA.
List of parameters
Detection of Y chromosome DNA in maternal blood samples
Test preparation
✔️ Fasting is not required.
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Availability
1-2 business days
Appointments are usually available within 1-2 business days in Rio de Janeiro.
Earliest booking date
Tuesday, November 17
Earliest expected booking date in Rio de Janeiro.
Collection window
7 AM – 12 PM
The lab team usually visits your home during this time window in Rio de Janeiro.
Report language
Portuguese
Reports in Rio de Janeiro are issued in Portuguese.
Payment options
BRL / USD
Payment in Rio de Janeiro can be made using local and international cards.
Next public holiday
Friday, November 20
Sample collection in Rio de Janeiro is not available on this public holiday.
Neighbourhood coverage in Rio de Janeiro See the neighbourhoods and coverage areas where home visits can be coordinated in Rio de Janeiro. See areas Hide areas 26
Centro
Lapa
Santa Teresa
Glória
Saúde
Gamboa
Santo Cristo
Botafogo
Catete
Copacabana
Cosme Velho
Flamengo
Gávea
Humaitá
Ipanema
Jardim Botânico
Lagoa
Laranjeiras
Leblon
Leme
Urca
Vidigal
Barra da Tijuca
Joá
Itanhangá
Rocinha
Healthcare, step by step
How it works
1
Book online
Book your test online
Choose the type of lab test and the date and time that work best for you.
2
Visit at home
Sample collection at home
We come to your place to collect your samples. The visit takes 15 to 20 minutes, with no travel and no waiting rooms.
3
Results in your inbox
Get your results
Receive your results securely in your inbox.
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*The information provided above, whether related to laboratory tests or other health services, is intended solely for educational and informational purposes. It does not constitute, and is not intended to be, a substitute for professional medical advice, diagnosis, or treatment. Customers are strongly advised to consult a qualified healthcare professional to interpret results and receive medical guidance appropriate to their personal health status.