where can an ectopic pregnancy occur?
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An ectopic pregnancy occurs when a fertilized egg implants and grows outside the main cavity of the uterus. An ectopic pregnancy most often occurs in a fallopian tube, which carries eggs from the ovaries to the uterus.
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During the first trimester, vaginal bleeding can be a sign of ectopic pregnancy. This is when the fetus starts to grow outside of the uterus, often in one of the fallopian tubes. Symptoms of ectopic pregnancy can include cramping, vaginal bleeding and abdominal pain. Pain might be caused by a ruptured fallopian tube.
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Abdominal ectopic pregnancy occurs when the placenta is attached to some part of the peritoneal cavity other than the uterus, ovary, or fallopian tube. Although a few of these pregnancies are a result of implantation in the abdominal lining, most are the result of expulsion of a tubal pregnancy.
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Women who become pregnant while using an IUD are more likely to have an ectopic pregnancy. Ectopic pregnancies occur when the embryo implants outside of the uterus — usually in the fallopian tubes. According to the ACOG, a woman with an ectopic pregnancy may notice: lower back pain.
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In a few cases an ectopic pregnancy causes no noticeable symptoms and is only detected during routine pregnancy testing. However, most women do have symptoms and these usually become apparent between week 4 and week 12 of pregnancy.
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Possible outcomes. In many cases of ectopic pregnancy, the fertilised egg dies quickly and is broken down by your system before you miss your period or after you experience some slight pain and bleeding. In these cases an ectopic pregnancy is rarely diagnosed and it is assumed to be a miscarriage.
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Key points about ectopic pregnancy Symptoms most often appear 6 to 8 weeks after the last normal menstrual period. Ectopic pregnancy may be treated in several ways, depending on whether the fallopian tube has burst. Don't ignore symptoms of ectopic pregnancy.
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An ectopic pregnancy can first appear as a normal pregnancy. The symptoms of ectopic pregnancy can include: the usual signs of pregnancy, such as amenorrhoea (missed period), morning sickness and breast tenderness. pain in the lower abdomen.
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Rarely, an ectopic pregnancy can happen after tubal ligation. This isn't like a normal pregnancy, when a fertilized egg attaches and grows inside the uterus. Instead, the fertilized egg implants and starts to grow somewhere else, usually in a fallopian tube.
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In rare cases, the pregnancy develops somewhere else – for example where the tube meets the uterus, in the cervix or in the scar from a Caesarean section. It is also possible to have a twin pregnancy where one twin is in the correct place but one is ectopic.
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Almost all ectopic pregnancies—more than 90%—occur in a fallopian tube. As the pregnancy grows, it can cause the tube to burst (rupture). A rupture can cause major internal bleeding. This can be a life-threatening emergency that needs immediate surgery.
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Most, but not all, ectopic pregnancies take place in the fallopian tube. Early detection of an ectopic pregnancy can prevent serious medical complications and may save the fallopian tube from permanent damage.
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While there have been cases where an ectopic pregnancy has been brought to term, the conditions by which these occurred were extremely unusual. Most successful deliveries have involved the implantation of the egg somewhere in the abdomen rather than the fallopian tubes.
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An intra-uterine pregnancy can usually be seen by 5-6 weeks gestation or when the HCG level is >1500 IU/l. If it is not in the uterus, it may be ectopic. In 95% of ectopic pregnancy cases, a good transvaginal ultrasound examination can actually see the ectopic pregnancy in the Fallopian tube.
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In the case of an ectopic pregnancy, the fertilized egg doesn't attach to the uterus. Instead, it may attach to the fallopian tube, abdominal cavity, or cervix. While a pregnancy test may reveal a woman is pregnant, a fertilized egg can't properly grow anywhere other than the uterus.
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It is possible to have an ectopic pregnancy without experiencing any symptoms until rupture of the fallopian tube or close organs. After rupture, signs and symptoms may include: Severe stomach pain. Vaginal bleeding.
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Discussion. An ectopic pregnancy is characterized by implantation and development of an embryo outside of the uterine cavity. Ectopic pregnancies can occur in the ovary (3.2%), or abdomen (1.3%) (8). Hertig estimated that ovarian pregnancy occurs in one in 25 000 to 40 000 pregnancies (9).