Ectopic pregnancy abdominal pain symptoms

Written by Liu Wei Jie

Obstetrics

Updated on March 16, 2025

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Let's first discuss what an ectopic pregnancy is. An ectopic pregnancy occurs when the fertilized egg implants outside of the uterus, such as in any part of the fallopian tubes, the corners of the uterus, or the abdominal cavity. Due to the different implantation sites, the symptoms of abdominal pain vary. A very small number of people feel no symptoms at all, experiencing only vaginal bleeding. Additionally, some people may feel severe discomfort in the abdomen. The last type involves severe, intense abdominal pain, resembling a tearing sensation, accompanied by nausea, vomiting, and hypotension shock.

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Written by Zhang Lu

Obstetrics

1min 21sec

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ectopic pregnancy symptoms

Ectopic pregnancy is not a normal state of pregnancy. Normally, the gestational sac should be located in the middle of the uterine cavity. An ectopic pregnancy refers to the implantation of the gestational sac outside the uterine cavity. Common types of ectopic pregnancy include tubal pregnancy, ovarian pregnancy, and abdominal pregnancy, with over 99% of ectopic pregnancies being tubal pregnancies. The symptoms of an ectopic pregnancy include the following aspects: 1. In the early stages of an ectopic pregnancy, there are no clinical symptoms because the early gestational sac is relatively small and does not stimulate the fallopian tube or the local area, thus causing no symptoms. 2. When the gestational sac grows to a certain size, it compresses the tube cavity, causing mild abdominal pain. This pain intensifies as the gestational sac grows and can lead to tearing pain, indicating a ruptured tubal pregnancy. 3. During an ectopic pregnancy, because the gestational sac cannot develop normally, the levels of estrogen and progesterone in the body are relatively low, leading to endometrial withdrawal bleeding, which manifests as a small amount of bright red vaginal bleeding.

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Written by Du Rui Xia

Obstetrics

54sec

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How many days can an ectopic pregnancy be detected?

Generally around six weeks after a missed period, an ectopic pregnancy can be detected through an ultrasound examination. For women with regular menstrual cycles, if menstruation is delayed by a week and a pregnancy test shows a positive result, it indicates pregnancy. At this time, it is necessary to visit the hospital for an ultrasound to ascertain the implantation site of the gestational sac. In the case of an ectopic pregnancy, it is normal that no gestational sac is visible within the uterine cavity during an ultrasound. The ultrasound might reveal irregular echo areas in the adnexal area, which includes the fallopian tubes or ovaries, possibly indicating thickened fallopian tubes or enlarged ovaries. At this point, one should be vigilant about the possibility of an ectopic pregnancy and seek timely treatment.

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Written by Zhang Lu

Obstetrics

59sec

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What should I do about an ectopic pregnancy?

Ectopic pregnancy, as the name suggests, refers to the implantation of the gestational sac outside the uterine cavity, with the more common types including tubal pregnancy, ovarian pregnancy, and abdominal pregnancy. Ectopic pregnancy is mainly diagnosed through ultrasound and blood tests. If an ectopic pregnancy is confirmed or highly suspected, treatment should begin, primarily choosing between conservative medication treatment or surgical treatment based on the severity of the condition. 1. If the condition is mild, with HCG levels less than 1000 U/L and the mass volume smaller than 3 cm, conservative medication treatment can be chosen. 2. If the condition is severe, with a larger mass volume and significantly elevated HCG levels, surgical treatment is recommended. Currently, with the advancement of minimally invasive surgery, the majority of ectopic pregnancies can be treated using laparoscopy.

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Written by Du Rui Xia

Obstetrics

44sec

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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.

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Written by Zhang Lu

Obstetrics

1min 3sec

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How long does it take for an ectopic pregnancy to bleed?

Ectopic pregnancy test strips indicate that the gestational sac is implanted outside the uterine cavity, with the most common type being a tubal pregnancy. The bleeding caused by a tubal pregnancy includes two types: vaginal bleeding and intra-abdominal bleeding. Firstly, the vaginal bleeding caused by an ectopic pregnancy mainly occurs because the gestational sac lacks a normal developmental environment, with relatively low levels of estrogen and progesterone. This leads to insufficient endometrial proliferation, resulting in regressive bleeding. Typically, vaginal bleeding appears around the fifth week of an ectopic pregnancy, but the amount of bleeding is generally small. Secondly, if the gestational sac in an ectopic pregnancy is relatively large, it can cause the local rupture of the fallopian tube, leading to intra-abdominal bleeding. This usually occurs around the seventh to eighth week of pregnancy. If the gestational sac is too small, even if there is mild abdominal pain, it will not cause intra-abdominal bleeding.