Will an IUD cause an ectopic pregnancy?

Written by Yan Qiao

Obstetrics and Gynecology

Updated on September 08, 2024

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IUD insertion can cause ectopic pregnancy because it is a minor gynecological surgery and an invasive procedure. Any invasive operation can potentially trigger pelvic inflammatory disease. The occurrence of pelvic inflammatory disease can lead to inflammation of the fallopian tubes, which is one of the main causes of ectopic pregnancy. Moreover, not every patient is suitable for an IUD. These devices come in many shapes, and there should be an optimal match between the shape of the IUD and the size and form of the uterine cavity. If the IUD does not match the patient's uterine cavity size and shape, it may not effectively prevent pregnancy, thus increasing the risk of pregnancy with the IUD in place, including the occurrence of ectopic pregnancies. In conclusion, IUD insertion can lead to ectopic pregnancies.

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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.

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Written by Zhang Xiu Rong

Obstetrics and Gynecology

1min 3sec

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Ectopic pregnancy medical conservative treatment

Under normal circumstances, the treatment of ectopic pregnancy is generally divided into conservative treatment and surgical treatment. Conservative treatment is usually applied when the ectopic pregnancy has not ruptured, using medication for about a week. After one week, a follow-up examination is done to check blood HCG levels and an ultrasound scan. If blood HCG levels have dropped significantly, the ultrasound shows that the mass has not grown, and the symptoms of abdominal pain have decreased, it indicates that the conservative treatment was successful. The threat is only considered resolved when blood HCG returns to normal levels. Otherwise, the conservative treatment for ectopic pregnancy may fail, and surgery will be necessary to treat the ectopic pregnancy symptomatically. If there is a particularly large amount of bleeding or a rupture has occurred, surgical treatment is the only option.

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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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Written by Tang Mei Xiang

Obstetrics and Gynecology

1min 5sec

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Symptoms of ectopic pregnancy

The symptoms of an ectopic pregnancy depend on the location of the implantation of the fertilized egg, whether there has been a rupture or miscarriage, and the amount and duration of bleeding if there has been a rupture or miscarriage. Generally, there may be no symptoms in the early stages. If a miscarriage or rupture occurs, symptoms similar to those of threatened miscarriage or early pregnancy might appear. Typically, the manifestations of ectopic pregnancy include missed periods, usually about six to eight weeks of amenorrhea. The second is abdominal pain, which is the most common symptom in patients with tubal pregnancies, accounting for about 95%. Third, there is a small amount of vaginal bleeding, which does not correlate proportionally with internal bleeding and is generally less than a normal menstrual period. Fourth, fainting and shock can occur if there is significant internal bleeding. Fifth, a mass may be palpable in the abdomen.

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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.