How to Determine if a Fetus Is Male or Female: Ultrasound and NIPT Methods
Learn how to tell if a fetus is male or female using ultrasound and non-invasive prenatal testing (NIPT) during pregnancy.
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Determining the sex of a fetus typically occurs during a mid-pregnancy ultrasound, around 18-22 weeks. The sonographer will look at the genital area: the presence of a penis indicates a male, while the absence and appearance of labia indicate a female. Another method is a non-invasive prenatal test (NIPT), which analyzes fetal DNA in the mother’s blood as early as 10 weeks into pregnancy.
FAQs & Answers
- When can you find out the sex of a fetus during pregnancy? The sex of a fetus can typically be determined during a mid-pregnancy ultrasound between 18 and 22 weeks of pregnancy.
- What is a non-invasive prenatal test (NIPT) and when can it be done? NIPT is a blood test that analyzes fetal DNA in the mother's blood and can be performed as early as 10 weeks into pregnancy to determine the fetus’s sex.
- How does an ultrasound determine the sex of a fetus? During an ultrasound, the sonographer examines the genital area; the presence of a penis indicates a male fetus, while the presence of labia indicates a female fetus.