Abnormalities of Umbilical Cord: Type and Cord Length

The umbilical cord plays a crucial role in supporting the growth and development of a baby during pregnancy. It serves as the lifeline between the fetus and the placenta, ensuring that essential nutrients and oxygen reach the developing baby. Through this connection, the placenta supplies nourishment while also removing waste products from the baby’s bloodstream.

Due to this vital function, any structural or functional issue involving the cord can influence fetal development and pregnancy outcomes. Certain abnormalities of umbilical cord structure may affect how efficiently oxygen and nutrients reach the baby. Modern prenatal care allows doctors to identify many of these conditions early through routine ultrasound scans and monitoring.

Early detection helps healthcare providers manage complications effectively and ensure a safer pregnancy journey.

What Are Umbilical Cord Abnormalities?

Umbilical cord abnormalities refer to any abnormalities in the length, attachment, blood vessels, and positioning of the umbilical cord within the uterus. In essence, umbilical cord abnormalities may interfere with the normal functioning of the umbilical cord, which is a very important part of the reproductive system. The abnormalities can potentially interfere with:

● Blood circulation between the placenta and the fetus

● Oxygen supply to the fetus

● Supply of nutrients required by the fetus

Some umbilical cord abnormalities in newborns may not cause any significant problems and may be minor. However, some abnormalities may require constant monitoring to ensure that the fetus is healthy and is receiving the required oxygen and nutrients.

Normal Structure of the Umbilical Cord

Normal structure is essential in determining what can be described as abnormalities of umbilical cord.

A normal umbilical cord has the following structures:

● One umbilical vein that transports oxygen and nutrients from the placenta to the fetus

● Two umbilical arteries that carry carbon dioxide and waste products from the fetus to the placenta

● The blood vessels that make up the umbilical cord are covered with a protective gelatinous substance known as Wharton’s jelly that prevents the blood vessels from being compressed and promotes the circulation of blood.

The normal structure of the umbilical cord is characterised by the following features:

● An average length of 50-60 cm

● A coiled structure that is flexible and can stretch as the fetus moves

● A thick outer membrane that covers the blood vessels

Types of Umbilical Cord Abnormalities

There are many abnormalities that can occur in the umbilical cord during pregnancy.

Abnormal Length of Umbilical Cord

One of the most common abnormalities in the structure of the umbilical cord is the abnormal length of umbilical cord, where the length is either shorter or longer than the average length.

Short Umbilical Cord

In this abnormality, the umbilical cord is significantly shorter than the average length.

Possible complications include:

● Restricted movement of the fetus

● Increased risk of placental abruption

● Prolonged labour

● Fetal distress during labour

Long Umbilical Cord

In this abnormality, the umbilical cord is significantly longer than the average length, and this abnormality in the length may cause excessive looping or twisting in the umbilical cord.

Possible complications include:

● Entanglement of the umbilical cord around the baby

● Knotting in the umbilical cord

● Prolapse of the umbilical cord

● Compression of the umbilical cord

Nuchal Cord

In this abnormality, the umbilical cord is wrapped around the neck of the baby.

Important points include:

● It is relatively common in pregnancy.

● It is usually detected by ultrasound scans.

In most cases, it does not cause any serious problems. However, in some cases, the loops may cause a lack of oxygen in the baby, and in such cases, proper care is taken by medical professionals.

True Knots in the Umbilical Cord

In this abnormality, the umbilical cord is knotted. These knots may occur in the umbilical cord due to excessive movement in the uterus by the baby.

Possible complications include:

● Restricted blood circulation in the umbilical cord

● Less oxygen supplied to the baby

● Signs of fetal distress during labour

In this abnormality, the umbilical cord is closely monitored by medical professionals to ensure proper care is taken so that the baby is not harmed in any way.

Umbilical Cord Variations

Umbilical Cord Prolapse is a critical situation in which the umbilical cord has slipped into the birth canal prior to the baby during labour. This situation can cause the baby to lose oxygen supply as the umbilical cord is squeezed during each contraction. This is the reason why the condition requires immediate medical action to ensure the baby is delivered safely.

Velamentous Cord Insertion is a condition in which the umbilical cord is attached to the fetal membranes rather than the placenta. This condition can result in weak blood vessels that lack proper protection. This condition requires close monitoring by the physician.

Umbilical Cord Cysts are fluid-filled sacs that appear along the cord. These cysts can be present during the course of the pregnancy, but can disappear as the baby grows. These cysts can be indicative of other problems with the baby and can result in additional ultrasound scans.

However, these cysts are not dangerous and can be subject to additional scans to determine the normal development of the baby.

Umbilical Cord Abnormalities in Newborn

Some problems that may occur due to the umbilical cord can happen to the newborn as well. In some cases, abnormalities in the umbilical cord in newborns can cause health problems that need medical attention. Some possible problems include:

● Low birth weight

● Breathing difficulties

● Less oxygen supply during delivery

● Observation or care in a neonatal intensive care unit (NICU)

However, with proper medical attention and monitoring during pregnancy, abnormalities in the umbilical cord in newborns can be managed effectively.

Causes and Risk Factors

Some factors can cause umbilical cord abnormalities.

Some possible factors that can cause umbilical cord abnormalities in newborns include:

● Multiple pregnancy

● Presence of too much amniotic fluid

● Gestational diabetes

● Presence of abnormalities in the placenta

● Presence of too much movement in the fetus

● Genetic factors

However, in some cases, the exact cause is unknown.

How Are Umbilical Cord Abnormalities Diagnosed?

Proper and early diagnosis is essential to manage pregnancy complications.

● Ultrasound Examination

Doctors can diagnose abnormalities in the umbilical cord with the help of an ultrasound examination.

● Doppler Ultrasound

Doctors can also diagnose abnormalities in the umbilical cord with the help of a Doppler ultrasound.

● Fetal Monitoring

Doctors can also diagnose abnormalities of the umbilical cord with the help of fetal monitoring.

Treatment and Management

Management of the condition depends on the type of condition.

Common methods of management are as follows:

Monitoring

● Ultrasound scans

● Observation of fetal growth

Medical Supervision

● Prenatal checkups

● Fetal movement patterns

Delivery Planning

In some cases, doctors may recommend:

● Induction of labour

● Planned cesarean delivery in case of complications

With proper monitoring, a normal delivery can occur even in cases of an abnormal umbilical cord length.

When Should You Consult a Doctor?

A pregnant woman should immediately consult a doctor if she feels any of the following symptoms:

● Fewer fetal movements

● Vaginal bleeding

● Severe abdominal pain

● Sudden complications during pregnancy

Such complications help doctors identify possible abnormalities in the umbilical cord, thereby avoiding any complications.

Book an online appointment with Dr. Jyothsna Madan for Pregnancy & Gynaecology related issues

What Sets Cloudnine Apart

Cloudnine Hospitals is known for its comprehensive pregnancy care supported by experienced obstetricians, fetal medicine specialists, and advanced diagnostic technology. The hospital focuses on early detection and careful monitoring of pregnancy complications, including umbilical cord conditions. With modern imaging facilities, specialised neonatal care units, and personalised care plans, the medical team ensures that both the baby and the expecting parent receive attentive and evidence-based medical support throughout pregnancy and delivery.

Conclusion

Umbilical cord abnormalities in newborns are an important category of pregnancy complications that can influence fetal development and delivery outcomes. Fortunately, many conditions can be detected early through routine prenatal scans and monitoring.

With timely medical care, regular checkups, and proper pregnancy management, most babies with cord-related concerns can be delivered safely and grow healthily.