Ectopic pregnancy causes: Difference between revisions

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{{CMG}}; {{AE}}[https://www.wikidoc.org/index.php/User:MoisesRomo Moises Romo, M.D.]
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==Overview==
'''[[Ectopic pregnancy]]''' may be caused by . The most common cause of [[ectopic pregnancy]] is a [[History and Physical examination|history]] of tubal surgery. Among the most common causes of [[Ectopic pregnancy|ectopic pregnancies]], the less common cause is a history of 1st [[intercourse]] before 18 years old.
===Life Threatening Causes===
Life-threatening causes include [[conditions]] which may result in death or permanent [[disability]] within 24 hours if left untreated.
* All causes of [[ectopic pregnancy]] can potentially cause death or permanent [[disability]] within 24 hours if left untreated.<br />


=== Cilial damage and tube occlusion ===
===Common Causes===


Hair-like [[cilia]] located on the internal surface of the Fallopian tubes carry the fertilized egg to the uterus. Damage to the cilia or blockage of the Fallopian tubes is likely to lead to an ectopic pregnancy. Women with [[pelvic inflammatory disease]] (PID) have a high occurrence of ectopic pregnancy. This results from the build-up of [[scar|scar tissue]] in the Fallopian tubes, causing damage to cilia. If however both tubes were occluded by PID, pregnancy would not occur and this would be protective against ectopic pregnancy.  Tubal surgery for damaged tubes  might remove this protection and increase the risk of ectopic pregnancy. [[Tubal ligation]] can predispose to ectopic pregnancy. Seventy percent of pregnancies after tubal cautery are ectopic, while 70% of pregnancies after tubal clips are intrauterine. Reversal of tubal sterilization ([[Tubal reversal]]) carries a risk for ectopic pregnancy. This is higher if more destructive methods of tubal ligation (tubal cautery, partial removal of the tubes) have been used than less destructive methods (tubal clipping). A history of ectopic pregnancy increases the risk of future occurrences to about 10%. This risk is not reduced by removing the affected tube, even if the other tube appears normal. The best method for diagnosing this is to do an early ultrasound.


=== Association with infertility ===
===Causes by Organ System===
Infertility treatments are highly variable and specific to individual patients. [[In vitro fertilization]] is used for patients with damaged tubes, which are an inherent risk factor for ectopic pregnancy. Ectopic pregnancies have been seen with [[in vitro fertilization]], but this is an uncommon complication and quickly diagnosed by the early ultrasounds that these intensively surveyed patients undergo.


===Hysterectomy===


Ectopic pregnancy occasionally occurs in women who have had a [[hysterectomy]].  Rather than implanting in the absent uterus, the fetus implants in the abdomen, and must be delivered via [[caesarean section]].[http://www.dailyprincetonian.com/archives/2002/05/08/opinion/5154.shtml] <ref>[http://content.nejm.org/cgi/content/full/329/16/1174  SA Carson, JE Buster, Ectopic Pregnancy. New Engl J Med 329:1174-1181]</ref>
{| style="width:80%; height:100px" border="1"
| style="width:25%" bgcolor="LightSteelBlue" ; border="1" |'''Cardiovascular'''
| style="width:75%" bgcolor="Beige" ; border="1" |No underlying causes
|-
| bgcolor="LightSteelBlue" |'''Chemical/Poisoning'''
| bgcolor="Beige" |No underlying causes
|-
|- bgcolor="LightSteelBlue"
|'''Dental'''
| bgcolor="Beige" |No underlying causes
|-
|- bgcolor="LightSteelBlue"
|'''Dermatologic'''
| bgcolor="Beige" |No underlying causes
|-
|- bgcolor="LightSteelBlue"
|'''Drug Side Effect'''
| bgcolor="Beige" |[[Urofollitropin]], [[choriogonadotropin alfa]], [[Follitropin beta]]
|-
|- bgcolor="LightSteelBlue"
|'''Ear Nose Throat'''
| bgcolor="Beige" |No underlying causes
|-
|- bgcolor="LightSteelBlue"
|'''Endocrine'''
| bgcolor="Beige" |No underlying causes
|-
|- bgcolor="LightSteelBlue"
|'''Environmental'''
| bgcolor="Beige" |No underlying causes
|-
|- bgcolor="LightSteelBlue"
|'''Gastroenterologic'''
| bgcolor="Beige" |No underlying causes
|-
|- bgcolor="LightSteelBlue"
|'''Genetic'''
| bgcolor="Beige" |No underlying causes
|-
|- bgcolor="LightSteelBlue"
|'''Hematologic'''
| bgcolor="Beige" |No underlying causes
|-
|- bgcolor="LightSteelBlue"
|'''Iatrogenic'''
| bgcolor="Beige" |No underlying causes
|-
|- bgcolor="LightSteelBlue"
|'''Infectious Disease'''
| bgcolor="Beige" |No underlying causes
|-
|- bgcolor="LightSteelBlue"
|'''Musculoskeletal/Orthopedic'''
| bgcolor="Beige" |No underlying causes
|-
|- bgcolor="LightSteelBlue"
|'''Neurologic'''
| bgcolor="Beige" |No underlying causes
|-
|- bgcolor="LightSteelBlue"
|'''Nutritional/Metabolic'''
| bgcolor="Beige" |No underlying causes
|-
|- bgcolor="LightSteelBlue"
|'''Obstetric/Gynecologic'''
| bgcolor="Beige" |No underlying causes
|-
|- bgcolor="LightSteelBlue"
|'''Oncologic'''
| bgcolor="Beige" |No underlying causes
|-
|- bgcolor="LightSteelBlue"
|'''Ophthalmologic'''
| bgcolor="Beige" |No underlying causes
|-
|- bgcolor="LightSteelBlue"
|'''Overdose/Toxicity'''
| bgcolor="Beige" |No underlying causes
|-
|- bgcolor="LightSteelBlue"
|'''Psychiatric'''
| bgcolor="Beige" |No underlying causes
|-
|- bgcolor="LightSteelBlue"
|'''Pulmonary'''
| bgcolor="Beige" |No underlying causes
|-
|- bgcolor="LightSteelBlue"
|'''Renal/Electrolyte'''
| bgcolor="Beige" |No underlying causes
|-
|- bgcolor="LightSteelBlue"
|'''Rheumatology/Immunology/Allergy'''
| bgcolor="Beige" |No underlying causes
|-
|- bgcolor="LightSteelBlue"
|'''Sexual'''
| bgcolor="Beige" |No underlying causes
|-
|- bgcolor="LightSteelBlue"
|'''Trauma'''
| bgcolor="Beige" |No underlying causes
|-
|- bgcolor="LightSteelBlue"
|'''Urologic'''
| bgcolor="Beige" |No underlying causes
|-
|- bgcolor="LightSteelBlue"
|'''Miscellaneous'''
| bgcolor="Beige" |No underlying causes
|-
|}


=== Other ===
===Causes in Alphabetical Order===
Patients are at higher risk for ectopic pregnancy with advancing age. Also, it has been noted that [[Tobacco smoking|smoking]] is associated with ectopic risk. Vaginal douching is thought by some to increase ectopic pregnancies; this is speculative.  Women exposed to [[diethylstilbestrol]] (DES) in utero (aka "DES Daughters") also have an elevated risk of ectopic pregnancy, up to 3 times the risk of unexposed women.
 
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* [[Choriogonadotropin alfa]]
 
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*
 
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*
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==References==
==References==
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Latest revision as of 03:29, 15 March 2021

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Moises Romo, M.D.


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Overview

Ectopic pregnancy may be caused by . The most common cause of ectopic pregnancy is a history of tubal surgery. Among the most common causes of ectopic pregnancies, the less common cause is a history of 1st intercourse before 18 years old.

Life Threatening Causes

Life-threatening causes include conditions which may result in death or permanent disability within 24 hours if left untreated.

Common Causes

Causes by Organ System

Cardiovascular No underlying causes
Chemical/Poisoning No underlying causes
Dental No underlying causes
Dermatologic No underlying causes
Drug Side Effect Urofollitropin, choriogonadotropin alfa, Follitropin beta
Ear Nose Throat No underlying causes
Endocrine No underlying causes
Environmental No underlying causes
Gastroenterologic No underlying causes
Genetic No underlying causes
Hematologic No underlying causes
Iatrogenic No underlying causes
Infectious Disease No underlying causes
Musculoskeletal/Orthopedic No underlying causes
Neurologic No underlying causes
Nutritional/Metabolic No underlying causes
Obstetric/Gynecologic No underlying causes
Oncologic No underlying causes
Ophthalmologic No underlying causes
Overdose/Toxicity No underlying causes
Psychiatric No underlying causes
Pulmonary No underlying causes
Renal/Electrolyte No underlying causes
Rheumatology/Immunology/Allergy No underlying causes
Sexual No underlying causes
Trauma No underlying causes
Urologic No underlying causes
Miscellaneous No underlying causes

Causes in Alphabetical Order

References

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