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Intrauterine Pregnancy

What is Intrauterine Pregnancy?

Intrauterine pregnancy is one of the most common types of pregnancy, where the fertilised egg is implanted and grows inside the uterus. Intrauterine pregnancy happens when a gestational sac forms in the earlier stages of pregnancy. The meaning of intrauterine is ‘inside the uterus’ where pregnancy occurs when a fertilised egg travels from the fallopian tube and implants in the lining of the uterus to grow and develop into a foetus. An ultrasound is one of the best ways to confirm an intrauterine pregnancy.

The following terms can be used to categorise intrauterine pregnancy further:

Live Intrauterine Pregnancy

A live intrauterine pregnancy is when a gestational sac contains either a single embryo with heart activities or a yolk sac located in the uterus. The situation is a sign of a healthy pregnancy.

Single Live Intrauterine Pregnancy

The meaning of single live intrauterine pregnancy is when a single gestational sac contains either a yolk sac or a foetal pole with foetal heart activities in the uterus. A single live intrauterine gestational sac is a sign of a healthy pregnancy.

Early Intrauterine Pregnancy

Early intrauterine pregnancy is when a single live intrauterine foetus is in too early a stage to locate the embryo or detect any foetal heart activity.


Possible symptoms of intrauterine pregnancy may include a range of signs such as missed menstrual periods, nausea, vomiting, etc. However, the symptoms of intrauterine pregnancy can differ from woman to woman. Here are some of the common symptoms of intrauterine pregnancy:

Missed Menstrual Periods

Missing menstrual periods is often one of the first signs of intrauterine pregnancy. One can miss their menstrual period when a gestational sac forms in the early stages of intrauterine pregnancy. Here the fertilised egg implants itself in the uterus lining, resulting in missed menstrual periods.


As the intrauterine pregnancy progresses, one can experience a feeling of fatigue quite often. Fatigue is one of the common symptoms of intrauterine pregnancy due to the increased level of progesterone in the body.

Breast Tenderness

During the early stages of intrauterine pregnancy, women may experience breast tenderness or swelling in the breasts, which might cause a little discomfort.

Vomiting and Nausea

Most women with intrauterine pregnancy experience vomiting and nausea as symptoms during the first trimester of pregnancy.

Frequent Urination

As an individual reaches the second trimester of pregnancy, the growing uterus can put pressure on the bladder, which can lead to more frequent urination.

Mood Swings

Hormonal changes are a part of the early stages of intrauterine pregnancy which can cause frequent mood swings and irritability.

Causes of Intrauterine Pregnancy

Intrauterine pregnancy is a natural and healthy process that occurs when a fertilised egg reaches the lining of the uterus. In most cases, the fertilised egg gets implanted in the upper part of the uterus near the fallopian tube, where the fertilised egg receives the necessary nutrients and oxygen it needs to grow. Factors that increase the chances of intrauterine pregnancy include unprotected sexual activities, healthy lifestyle habits. and the absence of fertility issues.

However, certain common complications may occur during an intrauterine pregnancy, which includes ectopic pregnancy. This type of pregnancy occurs when a fertilised egg implants itself outside the uterus, typically in the fallopian tube. Some of the common causes of ectopic pregnancy include abnormal genes or chromosomes and compromised maternal health, such as suffering from diabetes, cervical issues, a history of miscarriages, substance abuse, etc. Sometimes IUD pregnancy (Intrauterine Pregnancy Device) can also lead to ectopic pregnancy.

How to Manage Intrauterine Pregnancy

In order to avoid such health complications, women with live, single live, or early intrauterine gestational sacs are advised to take certain precautions. Managing intrauterine pregnancy includes regular prenatal check-ups, a healthy diet, and certain lifestyle modifications. Women with intrauterine pregnancy must include a healthy and well-balanced diet to keep the health of the uterus in check. A healthy diet can include a variety of fruits, vegetables, whole grains, and lean proteins to provide the necessary nutrients for foetal growth and development. Another thing that can help a person manage intrauterine pregnancy is maintaining regular prenatal check-ups. This will ensure a healthy pregnancy and reduce the risk of complications. Women with intrauterine pregnancy must also avoid smoking and consumption of alcohol. One must maintain a healthy weight which counts for a sustainable intrauterine pregnancy.

When to See a GYN/OB

Women with intrauterine pregnancy must be aware of the signs and symptoms of pregnancy as well as the risks and complications that may occur. Hence, it is advisable to visit an OB/GYN for regular prenatal check-ups and in case of any health complications. By understanding the basics of what having a live, single live or early intrauterine gestational sac means, individuals can take an active role in their own health and that of the child. A follow-up screening is generally required to confirm and keep health in check and to put any related complications at bay. 

One can book a test for intrauterine pregnancy at Max Lab, for accurate test results at cost-effective prices. If an individual has any concerns with respect to the test results or the next steps of intrauterine pregnancy, getting in touch with a healthcare professional is suggested.

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