Chorionic hematoma: Difference between revisions
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{{Infobox medical condition | |||
| name = Chorionic hematoma | |||
| image = [[File:UOTW_3_-_Ultrasound_of_the_Week_1.webm]] | |||
| caption = Ultrasound showing a chorionic hematoma | |||
| field = [[Obstetrics]] | |||
| synonyms = Subchorionic hemorrhage | |||
| symptoms = Vaginal bleeding, abdominal pain | |||
| complications = Miscarriage | |||
| onset = Early pregnancy | |||
| duration = Varies | |||
| causes = [[Placental abruption]], [[trauma]], [[infection]] | |||
| risks = [[Maternal age]], [[smoking]], [[hypertension]] | |||
| diagnosis = [[Ultrasound]] | |||
| differential = [[Ectopic pregnancy]], [[molar pregnancy]] | |||
| prevention = Avoidance of risk factors | |||
| treatment = Observation, bed rest | |||
| prognosis = Generally good with proper management | |||
| frequency = Occurs in about 3% of pregnancies | |||
}} | |||
[[File:Gray24.png|Chorionic hematoma|thumb]] | |||
A [[Chorionic Hematoma]], also known as a subchorionic hemorrhage or bleed, is a form of bleeding that occurs between the chorionic membrane surrounding the embryo, and the uterine wall. It is the most common sonographic abnormality detected in the first trimester of pregnancy and can lead to complications such as miscarriage and premature labor. | A [[Chorionic Hematoma]], also known as a subchorionic hemorrhage or bleed, is a form of bleeding that occurs between the chorionic membrane surrounding the embryo, and the uterine wall. It is the most common sonographic abnormality detected in the first trimester of pregnancy and can lead to complications such as miscarriage and premature labor. | ||
==Causes== | ==Causes== | ||
The exact cause of chorionic hematoma is not well understood. However, it is thought to result from the separation of the chorionic membrane from the uterine wall, causing blood to pool between these two layers. | The exact cause of chorionic hematoma is not well understood. However, it is thought to result from the separation of the chorionic membrane from the uterine wall, causing blood to pool between these two layers. | ||
==Symptoms== | ==Symptoms== | ||
* Many women with a chorionic hematoma do not experience symptoms. However, in some cases, it can present with: | * Many women with a chorionic hematoma do not experience symptoms. However, in some cases, it can present with: | ||
* Vaginal bleeding: The bleeding can range from light to heavy and may be accompanied by abdominal pain. | * Vaginal bleeding: The bleeding can range from light to heavy and may be accompanied by abdominal pain. | ||
* In severe cases, there may be signs of pregnancy loss, such as cramping and backache. | * In severe cases, there may be signs of pregnancy loss, such as cramping and backache. | ||
==Diagnosis== | ==Diagnosis== | ||
Chorionic hematoma is typically diagnosed through ultrasound imaging, where the hematoma appears as a hypoechoic (dark) crescent adjacent to the gestational sac. | Chorionic hematoma is typically diagnosed through ultrasound imaging, where the hematoma appears as a hypoechoic (dark) crescent adjacent to the gestational sac. | ||
==Treatment== | ==Treatment== | ||
The management of a chorionic hematoma depends on its size and the presence of symptoms. In many cases, small, asymptomatic hematomas may resolve spontaneously without treatment. For larger hematomas or those causing symptoms, bed rest or pelvic rest may be advised. | The management of a chorionic hematoma depends on its size and the presence of symptoms. In many cases, small, asymptomatic hematomas may resolve spontaneously without treatment. For larger hematomas or those causing symptoms, bed rest or pelvic rest may be advised. | ||
==Prognosis== | ==Prognosis== | ||
The impact of a chorionic hematoma on pregnancy outcomes depends on the size of the hematoma and the gestational age at detection. While small hematomas often resolve without issue, larger ones may increase the risk of pregnancy complications such as miscarriage, premature labor, and placental abruption. | The impact of a chorionic hematoma on pregnancy outcomes depends on the size of the hematoma and the gestational age at detection. While small hematomas often resolve without issue, larger ones may increase the risk of pregnancy complications such as miscarriage, premature labor, and placental abruption. | ||
==See Also== | ==See Also== | ||
* [[Gestational sac]] | * [[Gestational sac]] | ||
| Line 23: | Line 38: | ||
* [[Miscarriage]] | * [[Miscarriage]] | ||
* [[Placental abruption]] | * [[Placental abruption]] | ||
==References== | ==References== | ||
* Nagy, | * Nagy, S√°ndor; Bush, Melissa; Stone, Joanne; Lapinski, Robert H.; Gardo, S√°ndor (2003). "Clinical significance of subchorionic and retroplacental hematomas detected in the first trimester of pregnancy". Obstetrics & Gynecology. | ||
* Tower, Clare; Regan, Lesley (2001). "Intrauterine haematomas in a recurrent miscarriage population". Human Reproduction. | * Tower, Clare; Regan, Lesley (2001). "Intrauterine haematomas in a recurrent miscarriage population". Human Reproduction. | ||
* Pedersen, Nina G.; Figueras, Francesc; Wojdemann, Karen R.; Tabor, Ann (2006). "Clinical consequences of first trimester vaginal bleeding". Ultrasound in Obstetrics & Gynecology. | * Pedersen, Nina G.; Figueras, Francesc; Wojdemann, Karen R.; Tabor, Ann (2006). "Clinical consequences of first trimester vaginal bleeding". Ultrasound in Obstetrics & Gynecology. | ||
==External Links== | ==External Links== | ||
[[Subchorionic Hemorrhage - American Pregnancy Association]] | [[Subchorionic Hemorrhage - American Pregnancy Association]] | ||
| Line 37: | Line 50: | ||
[[Category: Obstetrics]] | [[Category: Obstetrics]] | ||
{{stub}} | {{stub}} | ||
Latest revision as of 02:16, 5 April 2025
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| Chorionic hematoma | |
|---|---|
| File:UOTW 3 - Ultrasound of the Week 1.webm | |
| Synonyms | Subchorionic hemorrhage |
| Pronounce | N/A |
| Specialty | N/A |
| Symptoms | Vaginal bleeding, abdominal pain |
| Complications | Miscarriage |
| Onset | Early pregnancy |
| Duration | Varies |
| Types | N/A |
| Causes | Placental abruption, trauma, infection |
| Risks | Maternal age, smoking, hypertension |
| Diagnosis | Ultrasound |
| Differential diagnosis | Ectopic pregnancy, molar pregnancy |
| Prevention | Avoidance of risk factors |
| Treatment | Observation, bed rest |
| Medication | N/A |
| Prognosis | Generally good with proper management |
| Frequency | Occurs in about 3% of pregnancies |
| Deaths | N/A |
A Chorionic Hematoma, also known as a subchorionic hemorrhage or bleed, is a form of bleeding that occurs between the chorionic membrane surrounding the embryo, and the uterine wall. It is the most common sonographic abnormality detected in the first trimester of pregnancy and can lead to complications such as miscarriage and premature labor.
Causes[edit]
The exact cause of chorionic hematoma is not well understood. However, it is thought to result from the separation of the chorionic membrane from the uterine wall, causing blood to pool between these two layers.
Symptoms[edit]
- Many women with a chorionic hematoma do not experience symptoms. However, in some cases, it can present with:
- Vaginal bleeding: The bleeding can range from light to heavy and may be accompanied by abdominal pain.
- In severe cases, there may be signs of pregnancy loss, such as cramping and backache.
Diagnosis[edit]
Chorionic hematoma is typically diagnosed through ultrasound imaging, where the hematoma appears as a hypoechoic (dark) crescent adjacent to the gestational sac.
Treatment[edit]
The management of a chorionic hematoma depends on its size and the presence of symptoms. In many cases, small, asymptomatic hematomas may resolve spontaneously without treatment. For larger hematomas or those causing symptoms, bed rest or pelvic rest may be advised.
Prognosis[edit]
The impact of a chorionic hematoma on pregnancy outcomes depends on the size of the hematoma and the gestational age at detection. While small hematomas often resolve without issue, larger ones may increase the risk of pregnancy complications such as miscarriage, premature labor, and placental abruption.
See Also[edit]
References[edit]
- Nagy, S√°ndor; Bush, Melissa; Stone, Joanne; Lapinski, Robert H.; Gardo, S√°ndor (2003). "Clinical significance of subchorionic and retroplacental hematomas detected in the first trimester of pregnancy". Obstetrics & Gynecology.
- Tower, Clare; Regan, Lesley (2001). "Intrauterine haematomas in a recurrent miscarriage population". Human Reproduction.
- Pedersen, Nina G.; Figueras, Francesc; Wojdemann, Karen R.; Tabor, Ann (2006). "Clinical consequences of first trimester vaginal bleeding". Ultrasound in Obstetrics & Gynecology.
External Links[edit]
Subchorionic Hemorrhage - American Pregnancy Association Chorionic Hematoma - Radiopaedia Chorionic Hematoma - Medscape
