A Doppler scan checks blood flow to and within the baby. Learn why it is done, which vessels are measured, what results mean and when it is recommended.
A Doppler scan is a type of ultrasound that measures blood flow. In pregnancy, it checks how well blood moves through the umbilical cord, the baby's brain and other vessels and the mother's uterine arteries. It helps doctors understand whether the placenta is supplying enough oxygen and nutrients to the baby.
Doppler ultrasound detects changes in the frequency of sound waves bouncing off moving blood cells. This shows the direction and speed of blood flow as waveforms and indices that specialists interpret.
Shows how easily blood flows from the baby to the placenta. Increased resistance may indicate placental problems.
Shows blood flow in the baby's brain. Changes can indicate the baby is redirecting blood to the brain because of low oxygen, or may signal anaemia.
A vessel near the baby's heart that helps assess the baby's condition in more severe growth restriction.
The mother's arteries supplying the uterus. Abnormal flow may suggest a higher risk of preeclampsia or growth restriction.
Normal Doppler results are reassuring. Abnormal results can range from mild changes needing closer monitoring to significant changes suggesting the baby is under stress. Your specialist interprets results alongside growth, fluid and movements to plan care.
Doppler findings help determine:
Doppler is considered safe when performed for medical reasons by trained professionals, using appropriate settings and duration.
A Doppler scan gives a window into how well the placenta is supporting your baby. It is one of the most useful tools in high-risk pregnancy care. Dr Malathi G. Prasad offers growth and Doppler scans in Trichy.
If this applies to your pregnancy, our growth scan with Doppler page explains what the visit involves, or you can meet our specialists before you decide anything.
This guide is for general information and does not replace a consultation with a fetal medicine specialist.
In line with the PCPNDT Act, we do not perform or support sex determination.
Growth Scan with Doppler
A scan that tracks your baby's growth and blood flow, especially important in the later months.
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