During which week of gestation is a fetal Doppler ultrasound usually conducted?

Fetal Doppler ultrasound is typically used to assess the fetal heartbeat and is most commonly conducted around 24 weeks of gestation. This timing is important as it coincides with a developmental period when the fetus is large enough and the position and environment allow for clear detection of the heartbeat. By 24 weeks, the fetus has developed to a point where its heart is more easily monitored due to increased size and organ maturity, making this method reliable for evaluating fetal well-being. Additionally, this timeframe aligns with routine prenatal care check-ups, allowing healthcare providers to monitor both the mother's and the fetus's health more effectively.

The earlier weeks, such as 15 weeks, might not provide a clear signal due to the smaller size of the fetus and the presence of surrounding maternal tissue, which can hinder detection. Later weeks (30 and 35) are also part of frequent monitoring practices, but the 24-week mark is a standard point where such screening is usually implemented to ensure proper development and address any potential issues proactively.