At what week is it possible to determine the sex of the fetus?

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Hello doctor! Can you tell me how many weeks pregnant can I determine XX or XY chromosomes? Thank you doctor.
Dung Duong (1991)
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Hello! Currently, the Ministry of Health has very strict regulations on determining the sex of the fetus. Except for some special cases, due to genetic abnormalities, there will be two methods of determining information.
NIPT test (95% accuracy for sex chromosomes), starting at week 10, Prenatal diagnostic test (chorionic villus biopsies – 12 weeks onwards, amniotic fluid collection 16 weeks onwards) Thank you for sending your question to Vinmec Health System. Best regards!
Bui Thi Phuong Hoa - Genetic consultant doctor - Vinmec High-Tech Center

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