What Scans Reveal About the Cord’s Role in Baby’s Nourishment

You might just think about how your baby is growing when you go for prenatal scans, but there is a lot more going on inside. These scans also show how hard the umbilical cord works to feed your baby. The cord is very important for your baby's health since it carries oxygen and helps organs grow. Knowing what the scans indicate can make you feel more confident, ready, and connected to your pregnancy.

Pregatips.com
istock
You can see your baby moving, expanding, and growing during pregnancy scans, which might feel like magic. But scans also tell you something much more important: how well your baby is getting food through the umbilical cord. This cable may look simple, yet it is your baby's lifeblood. Each scan ensures this lifeline is performing its job well.
In this article, you'll learn what scans show, why the cord is important, what indicators to look for, and how to help your pregnancy stay healthy.

What Does the Umbilical Cord Actually Do for Your Baby?

The umbilical cord is like a delivery system that works 24/7. It connects your baby to the placenta and performs essential functions:

  • It carries oxygen-rich blood to your baby.
  • It transports nutrients, including proteins, vitamins, and minerals.
  • It removes waste products, helping your baby stay healthy.
  • It supports rapid development, especially during weeks 20 to 36, when your baby grows the fastest.
Without the cord working properly, your baby may not get the nourishment needed for healthy growth.

How Do Scans Check the Cord’s Health and Function?

1. What Does the Ultrasound Show About the Cord?

A routine ultrasound helps you see:

  • The cord’s position
  • The number of blood vessels (usually three)
  • Whether the cord is around the baby’s neck (a nuchal cord)
  • The overall flow of blood between you and your baby
Doctors use these details to ensure the cord is supplying your baby with everything they need.

2. How Do Doppler Scans Help Measure Blood Flow?

A Doppler scan is a more detailed test that checks:

If the Doppler reading shows high resistance, it may mean the blood isn’t flowing freely. This could affect your baby’s growth.

Why Does the Cord’s Function Matter So Much?

How Does Cord Health Affect a Baby’s Growth?

The cord plays a role in almost every part of development:

  • Brain growth
  • Organ formation
  • Bones and muscle development
  • Weight gain in the last trimester
On average, babies gain around 200–250 grams per week during the final weeks of pregnancy. Any interruption in nourishment can slow this growth.

Sometimes scans may show IUGR (Intrauterine Growth Restriction), a condition in which the baby isn't growing as expected. Cord issues may be one reason.

What Lesser-Known Things Can Scans Reveal About the Cord?

Most people know about cord position, but scans also uncover:

1. Single Umbilical Artery (SUA)

Some babies only have two vessels instead of three. A lot of babies with SUA grow properly, although doctors keep a closer eye on their progress.

2. Cord Insertion Issues

In other cases, the cord joins to the placenta in a strange fashion, like when it goes through the velamentous insertion. This could alter blood flow.

3. True or False Knots

A real knot can slow down blood flow. A fake knot doesn't hurt anything. Scans help tell them apart.

4. Cord Coiling Index

A well-coiled cordkeeps blood flowing when the baby moves. You may need to monitor the coiling to ensure it is neither too much nor too little.

What Are the Warning Signs You Should Not Ignore?

While scans reveal internal details, you should also watch your body’s signals:

  • Reduced baby movements
  • Slow growth of your baby bump
  • Sudden swelling, especially in the face
  • High blood pressure
  • Severe headaches or blurred vision

How Can You Support Healthy Cord Function Naturally?

You can’t change the cord’s structure, but you can support a healthy pregnancy so that the cord works efficiently.

Simple steps that may help:

  • Eat nutrient-rich foods like spinach, eggs, bananas, lentils, and nuts
  • Stay hydrated to support blood circulation
  • Walk daily or try gentle prenatal yoga to improve blood flow
  • Sleep on your left side to increase blood supply to the placenta
  • Avoid smoking and alcohol, as they reduce oxygen delivery
  • Take prenatal vitamins as prescribed

How Can Scans Give You Peace of Mind Emotionally?

Pregnancy can bring excitement along with worries. Seeing your baby through scans reassures you that:

  • Your baby is developing well
  • The cord is functioning normally
  • Any issues will be spotted early

What Should You Do After a Scan? A Quick Checklist

  • Ask your doctor about the cord’s blood flow
  • Check if your baby’s growth is on track
  • Understand any terms the doctor uses; don’t hesitate to ask
  • Note any recommendations, like extra scans or lifestyle changes
  • Keep track of baby's movements daily
  • Follow up on time if another scan is advised
This helps you stay informed and feel more in control throughout your pregnancy.

Scans do a lot more than show you how lovely your baby's movements are; they also show how well the umbilical cord is feeding your baby. When the cord works properly, your baby obtains the oxygen and nutrition it needs to grow healthily. You can ensure your baby's health by getting regular scans, making little changes to your daily routine, and being aware of warning signs. You can feel confident and at ease during your pregnancy if you have the correct information and help.

Whether you’re pregnant, a new mom, or navigating postpartum, you don’t have to do it alone. Join our support group to connect, share, and support one another.



FAQs on What Scans Reveal About The Cord’s Role In Baby’s Nourishment



  1. How often will scans check my baby’s cord?

    Most routine ultrasounds show cord details, but if your doctor needs more information, they may schedule Doppler scans every 2–4 weeks.
  2. Is it dangerous if the cord is around the baby’s neck?

    A single nuchal cord is quite common and often harmless. Doctors monitor the situation to ensure blood flow remains normal.
  3. Can scans predict if my baby will need special care at birth?

    Yes, detailed cord assessments, like Doppler scans or checking for single arteries or true knots, can help doctors anticipate potential complications, so the right care can be planned immediately after birth.
How we reviewed this article
Our team continuously monitors the health and wellness space to create relevant content for you. Every article is reviewed by medical experts to ensure accuracy.