What are the early signs of an ectopic pregnancy?

Written by Jia Rui

Obstetrics and Gynecology

Updated on September 13, 2024

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The precursors of an ectopic pregnancy can manifest as unilateral lower abdominal dropping pain, and there may be irregular vaginal bleeding. After 50 days of pregnancy, the gestational sac is not visible in the uterine cavity, and the symptoms of an ectopic pregnancy are atypical. Some people may experience severe bleeding and go into shock. In cases of ectopic pregnancy, it is imperative to go to the hospital for an ultrasound to determine the size and location of the gestational sac and confirm whether it is an ectopic pregnancy. Timely hospitalization and treatment are necessary if an ectopic pregnancy is confirmed.

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Written by Zhang Lu

Obstetrics

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Ectopic pregnancy starts to cause abdominal pain at how many weeks?

Ectopic pregnancy refers to the implantation of the gestational sac outside the uterus, with over 95% of ectopic pregnancies being tubal pregnancies. Symptoms of ectopic pregnancy include lower abdominal pain, vaginal spotting, and shock. In many cases, there are no obvious clinical symptoms in the early stages of an ectopic pregnancy. This is because the gestational sac is relatively small, causing less irritation locally and not leading to significant abdominal pain. However, if the ectopic pregnancy grows significantly, it can irritate the fallopian tube and also stimulate the peritoneum, causing abdominal pain. Around five weeks, significant pain can be felt, but as the pregnancy progresses, this pain can increase in severity and may lead to rupture of the tubal pregnancy, causing hemorrhagic shock, which then necessitates emergency medical intervention.

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Written by Tang Mei Xiang

Obstetrics and Gynecology

1min 3sec

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What are the symptoms of an ectopic pregnancy?

Ectopic pregnancy refers to the implantation of the fertilized egg outside the uterine cavity. Because it is not in the environment of the uterus, ectopic pregnancies often end in miscarriage or rupture. The symptoms of an ectopic pregnancy mainly depend on the location of the implantation of the fertilized egg, whether a miscarriage or rupture has occurred, the amount of bleeding, the duration of the bleeding, and whether there is a rupture or miscarriage in a tubal pregnancy. Generally, there are often no specific clinical manifestations in the early stages. If it reaches the middle to late stages, there might be symptoms such as abdominal pain and vaginal bleeding. If a tubal pregnancy ruptures, the abdominal pain follows a series of tearing pains, then progresses to generalized abdominal tenderness and rebound pain.

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Written by Tang Mei Xiang

Obstetrics and Gynecology

1min 8sec

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What are the early signs of ectopic pregnancy?

Ectopic pregnancy is a common term for what is known as a displaced pregnancy; that is, a condition where the fertilized egg implants outside of the uterine cavity. Therefore, ectopic pregnancy and intrauterine pregnancy are different. In the early stages of an ectopic pregnancy, if there is no splitting of the pregnancy sac or bleeding, there generally are no symptoms. However, the condition can be understood and assessed through some auxiliary examinations. For example, after the cessation of menstruation, an ectopic pregnancy might be accompanied by a small amount of vaginal bleeding, and blood tests for HCG might show that the HCG levels do not double as expected. Or, at a certain gestational week, such as six or seven weeks, an ultrasound might not reveal a pregnancy sac. These are all precursors to an ectopic pregnancy, and if these signs appear, the likelihood of an ectopic pregnancy is very high.

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Written by Yue Hua

Obstetrics and Gynecology

47sec

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ectopic pregnancy early symptoms

First, there will be a cessation of menstruation, followed by a brief period of amenorrhea, and then irregular vaginal bleeding will occur. This vaginal bleeding is usually light and droplet-like, and the color is dark red. Additionally, most women will experience pain on one side of the lower abdomen, which manifests as a distension pain. At this time, because the ectopic pregnancy in the fallopian tube has not ruptured, the enlarging embryo causes the fallopian tube to expand, leading to spasms of the tube, and thus these symptoms occur. If the condition continues to progress, the fallopian tube may rupture, resulting in acute and severe pain on one side of the lower abdomen.

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Obstetrics

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ectopic pregnancy rate

The probability of an ectopic pregnancy occurring is generally quite low, with an incidence rate of about 2%-3%. An ectopic pregnancy refers to a fertilized egg that does not implant within the uterine cavity, and occurs outside the uterine cavity; the most common site for an ectopic pregnancy is the fallopian tube, followed by the ovaries and the abdominal cavity. These are the common sites for ectopic pregnancies. The main causes of ectopic pregnancies are chronic inflammation or congenital diseases, which lead to adhesions and blockages in the fallopian tubes, affecting the migration of the fertilized egg.