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Pregnancy Sign Tubular

Pregnancy Sign Tubular: A Comprehensive Guide

Pregnancy sign tubular (PST), also known as tubular pregnancy sign, is a rare and potentially life-threatening condition that occurs during pregnancy. It is characterized by the presence of a thin, elongated, and fluid-filled sac that extends from the uterus into the abdominal cavity. This sac contains the developing fetus and its associated membranes.


The exact cause of PST is unknown, but it is believed to be caused by a combination of factors, including:

  • Uterine abnormalities: PST is more common in women with certain uterine abnormalities, such as a bicornuate uterus or a septate uterus. These abnormalities can create a space within the uterus where the developing fetus can implant and grow outside the main uterine cavity.
  • Hormonal imbalances: PST may also be caused by hormonal imbalances that affect the growth and development of the uterus and its lining.
  • Previous uterine surgery: Women who have had previous uterine surgery, such as a cesarean section or a myomectomy, are at an increased risk of developing PST. This is because surgery can create scar tissue that can interfere with the normal implantation and growth of the fetus.


PST typically presents with the following symptoms:

  • Abdominal pain: This is the most common symptom of PST and can range from mild to severe. The pain is usually located in the lower abdomen and may be accompanied by cramping.
  • Vaginal bleeding: Vaginal bleeding is another common symptom of PST and can range from spotting to heavy bleeding. The bleeding may be intermittent or continuous.
  • Pelvic pressure: Women with PST may experience a feeling of pressure or fullness in the pelvis. This is caused by the presence of the PST in the abdominal cavity.
  • Other symptoms: Other symptoms of PST may include nausea, vomiting, and constipation.


PST is diagnosed based on a combination of physical examination findings and imaging studies. During a physical examination, the doctor may feel a soft, elongated mass in the abdomen. Imaging studies, such as an ultrasound or a magnetic resonance imaging (MRI) scan, can confirm the diagnosis and provide more information about the size and location of the PST.


The treatment for PST depends on the severity of the condition and the gestational age of the fetus. In most cases, treatment involves surgery to remove the PST and the developing fetus. Surgery is typically performed laparoscopically, which involves making small incisions in the abdomen and using a camera to guide the surgical instruments.

In some cases, it may be possible to manage PST without surgery. This is usually only possible if the PST is small and the fetus is not at risk. Management may involve monitoring the PST with regular ultrasounds and providing supportive care, such as pain medication and bed rest.


PST can lead to a number of complications, including:

  • Ectopic pregnancy: PST is a type of ectopic pregnancy, which means that the fetus is implanted outside the uterus. Ectopic pregnancies can be life-threatening if they rupture.
  • Preterm labor: PST can increase the risk of preterm labor, which is the delivery of a baby before 37 weeks of gestation.
  • Placental abruption: PST can also increase the risk of placental abruption, which is the separation of the placenta from the uterus before the baby is born.
  • Fetal death: In severe cases, PST can lead to fetal death.


The prognosis for PST depends on the severity of the condition and the gestational age of the fetus. With early diagnosis and treatment, most women with PST can have a successful pregnancy and deliver a healthy baby. However, the risk of complications is higher for women with PST than for women with a normal pregnancy.


There is no known way to prevent PST. However, women who have risk factors for PST, such as uterine abnormalities or a history of uterine surgery, should be aware of the symptoms of PST and seek medical attention if they experience any of these symptoms.

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