Determining fetal sex is a common desire for expectant parents. The timing of accurate determination depends on the methods employed. Traditional ultrasound offers visualization of fetal anatomy, while non-invasive prenatal testing (NIPT) analyzes cell-free fetal DNA in the maternal bloodstream.
Knowledge of fetal sex allows for early preparation and planning. Historically, predictions were based on folklore and unreliable observations. Modern techniques provide significantly higher accuracy, impacting decisions ranging from nursery dcor to preparing siblings for a new brother or sister. The ability to learn this information also aids in the management of sex-linked genetic conditions.