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Contents 8
What Is an Ectopic Pregnancy?
An ectopic pregnancy is a condition in which a fertilized egg implants and begins to grow outside the uterus. It occurs in approximately 1% of all pregnancies and carries serious health risks. An ectopic pregnancy most commonly implants in the fallopian tubes, but it can rarely occur on an ovary or elsewhere in the abdomen.
An ectopic pregnancy is when a fertilized egg implants and begins to grow in an area outside the uterus, such as the fallopian tubes, an ovary, or the abdominal cavity, instead of the uterus. Because the fallopian tubes are thin channels only a few millimeters in diameter, as the embryo that implants there grows, the tube stretches and can eventually rupture. This rupture can cause severe internal bleeding in the abdomen, creating a life-threatening situation that requires emergency surgery.
2. What Causes an Ectopic Pregnancy?
An ectopic pregnancy usually occurs because the fallopian tubes are unhealthy or damaged. Damage to the fallopian tubes can prevent the embryo from traveling into the uterus, causing it to implant in the tube instead. Factors that can cause an ectopic pregnancy include:
Previous Internal Genital Infections: Inflammation of the uterus, tubes, and surrounding tissues can cause damage to the fallopian tubes. This can cause the embryo to become trapped in the tubes, leading to an ectopic pregnancy.
A Previous Ectopic Pregnancy: Women who have previously had an ectopic pregnancy carry a higher risk of experiencing another one. This risk increases because the damage to the tubes tends to persist.
A History of Infertility: Women undergoing infertility treatment or with a history of difficulty conceiving have a higher risk of ectopic pregnancy.
Previous Abdominal Surgery: Past abdominal surgeries can cause adhesions in the fallopian tubes, which can lead to the embryo becoming trapped in the tubes.
Endometriosis: Endometriosis is a condition in which uterine lining tissue grows outside the uterus, and it can damage the tubes and increase the risk of ectopic pregnancy.
Sexually Transmitted Diseases: Sexually transmitted infections can cause inflammation and damage in the fallopian tubes, which increases the risk of ectopic pregnancy.
Tubal Surgery: Surgeries performed on the fallopian tubes, especially tubal ligation or its reversal, can increase the risk of ectopic pregnancy.
In addition, advanced maternal age and smoking are also among the factors that increase the risk of ectopic pregnancy.
6. Ectopic Pregnancy and Future Pregnancies
Women who have had an ectopic pregnancy also carry a risk of ectopic pregnancy in future pregnancies. This risk rises from 1% to 4% after a first ectopic pregnancy. For this reason, early diagnosis is important in subsequent pregnancies. Monitoring beta hCG levels in the very early stages of pregnancy, along with close follow-up with ultrasonography, increases the chance of early detection and treatment of an ectopic pregnancy.
An ectopic pregnancy is a serious pregnancy complication that requires early diagnosis and treatment. When symptoms are recognized early, complications from an ectopic pregnancy can be prevented and a successful treatment process can be achieved. This article aims to provide up-to-date and comprehensive information about ectopic pregnancy, helping expectant mothers make informed decisions about this condition.
4. Diagnosis of Ectopic Pregnancy
Diagnosing an ectopic pregnancy is attempted through gynecological examination, ultrasonography, and blood tests. However, an ectopic pregnancy can show clinical signs similar to an unhealthy intrauterine pregnancy or a threatened miscarriage, which can make diagnosis difficult. The methods used in diagnosis are as follows:
Gynecological Examination: The doctor evaluates the uterus and ovaries to determine whether there is suspicion of an ectopic pregnancy.
Ultrasonography: Transvaginal ultrasonography is the most commonly used method to detect a pregnancy outside the uterus. However, in very early stages of pregnancy, an ectopic pregnancy may not yet be visible on ultrasound.
Beta hCG Test: The level of beta hCG in the blood provides information about the status of the pregnancy. In the case of an ectopic pregnancy, beta hCG levels may rise more slowly than in a normal pregnancy, or may begin to fall.
In cases where diagnosis is difficult, beta hCG levels are monitored at intervals to track the status of the pregnancy. In this process, hospitalization may be required depending on the patient's clinical condition.
5. Treatment of Ectopic Pregnancy
Treatment for an ectopic pregnancy varies depending on the size of the pregnancy, the condition of the tubes, and the patient's overall health status. Treatment methods include:
1. Observation and Medication
If an ectopic pregnancy is detected early and the tube has not yet ruptured, medication can be an option. This approach aims to stop the growth of the embryo and allow it to be absorbed by the body.
Methotrexate Treatment: Methotrexate is a chemotherapy drug commonly used in the treatment of ectopic pregnancy. This medication stops the growth of the embryo by halting cell division. Methotrexate treatment is usually given as a single dose, although more than one dose may be required in some cases. After treatment, beta hCG levels are closely monitored to confirm that the pregnancy tissue has been fully absorbed.
Follow-up: Patients treated with methotrexate are monitored with regular blood tests. A decrease in beta hCG levels is a sign that the treatment has been successful. If beta hCG levels do not fall or instead rise, an additional dose of methotrexate may be needed, or surgery may be considered.
Certain criteria must be met for methotrexate treatment to be used:
The gestational sac must be smaller than 3.5 cm.
The tube must not be ruptured and there must be no internal bleeding.
Beta hCG levels must be below a certain threshold.
Liver and kidney function must be normal.
2. Surgical Intervention
Surgery is a commonly used method for treating ectopic pregnancy. Surgery is preferred especially in cases where the tube has ruptured, there is internal bleeding, or methotrexate treatment is not suitable. Surgical intervention is performed using two main methods:
Laparoscopic Surgery (Minimally Invasive Surgery): This method is performed using a minimally invasive technique and is usually the first choice of surgery. During laparoscopic surgery, small incisions are made in the abdomen, and the ectopic pregnancy tissue is removed using a camera and surgical instruments. If the tube has not ruptured, only the pregnancy tissue may be removed (salpingotomy). However, if the tube has ruptured or is severely damaged, complete removal of the tube may be necessary (salpingectomy).
Open Surgery (Laparotomy): Open surgery is generally performed in cases where the tube has ruptured, internal bleeding is severe, or laparoscopic surgery is not possible. This method is carried out through a larger incision in the abdomen. Open surgery is more invasive, and recovery time is longer than with laparoscopic surgery.
3. Follow-Up After Treatment
After treatment for an ectopic pregnancy, patients are closely monitored. A drop in beta hCG levels to normal is a sign that treatment has been successful. Regular doctor visits after treatment are important for minimizing risks in future pregnancies.
Follow-up: Beta hCG levels are monitored after treatment until they return completely to normal. Normally, hCG levels should fall to zero within a few weeks.
Future Pregnancies: Because women who have had an ectopic pregnancy carry an increased risk of ectopic pregnancy in future pregnancies, they should be closely monitored in the early stages of subsequent pregnancies. Early diagnosis allows for early treatment of a possible ectopic pregnancy.