questionsmedicales.fr
Structures de l'embryon
Placenta
Placenta : Questions médicales fréquentes
Diagnostic
5
Insuffisance placentaire
Échographie
Flux sanguin
Échographie Doppler
Biophysique fœtale
Santé placentaire
Placenta praevia
Saignements vaginaux
Troisième trimestre
Décollement placentaire
Échographie
Symptômes cliniques
Infection placentaire
Analyses de sang
Cultures
Symptômes
5
Insuffisance placentaire
Croissance fœtale
Mouvements fœtaux
Placenta praevia
Saignements vaginaux
Fin de grossesse
Décollement placentaire
Douleurs abdominales
Saignements vaginaux
Infection placentaire
Fièvre
Pertes vaginales
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Saignements vaginaux
hCG
Prévention
5
Insuffisance placentaire
Santé maternelle
Tabac
Placenta praevia
Suivi régulier
Détection précoce
Décollement placentaire
Traumatismes abdominaux
Hypertension
Infection placentaire
Hygiène
Infections vaginales
Grossesse molaire
Suivi médical
Prévention
Traitements
5
Insuffisance placentaire
Surveillance
Césarienne
Placenta praevia
Repos
Césarienne
Décollement placentaire
Repos
Césarienne
Infection placentaire
Antibiotiques
Surveillance
Grossesse molaire
Curetage
Suivi hormonal
Complications
5
Insuffisance placentaire
Croissance fœtale
Décès fœtal
Placenta praevia
Saignements
Césarienne
Décollement placentaire
Saignements
Mort fœtale
Infection placentaire
Septicémie
Accouchement prématuré
Grossesse molaire
Saignements
Cancer trophoblastique
Facteurs de risque
5
Insuffisance placentaire
Tabagisme
Hypertension
Placenta praevia
Chirurgie utérine
Grossesses multiples
Décollement placentaire
Hypertension
Traumatismes abdominaux
Infection placentaire
Infections vaginales
Hygiène
Grossesse molaire
Antécédents
Âge maternel
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}
},
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}
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},
{
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"name": "Quel traitement pour l'insuffisance placentaire ?",
"position": 16,
"acceptedAnswer": {
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}
},
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"position": 17,
"acceptedAnswer": {
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"text": "Le traitement consiste souvent en repos et surveillance, avec une césarienne si nécessaire."
}
},
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}
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"position": 19,
"acceptedAnswer": {
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"text": "Le traitement implique généralement des antibiotiques et une surveillance étroite de la mère et du fœtus."
}
},
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"name": "Quel traitement pour une grossesse molaire ?",
"position": 20,
"acceptedAnswer": {
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"text": "Le traitement nécessite souvent un curetage pour retirer le tissu molaire et un suivi hormonal."
}
},
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"position": 21,
"acceptedAnswer": {
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"text": "Les complications incluent la croissance fœtale retardée, l'accouchement prématuré et le décès fœtal."
}
},
{
"@type": "Question",
"name": "Quels risques d'un placenta praevia ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le placenta praevia peut entraîner des saignements importants et nécessiter une césarienne."
}
},
{
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"name": "Quelles complications d'un décollement placentaire ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications peuvent inclure des saignements sévères, un choc hypovolémique et la mort fœtale."
}
},
{
"@type": "Question",
"name": "Quels dangers d'une infection placentaire ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une infection placentaire peut entraîner des complications graves comme la septicémie et l'accouchement prématuré."
}
},
{
"@type": "Question",
"name": "Quelles complications d'une grossesse molaire ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications incluent des saignements, des infections et un risque de cancer trophoblastique."
}
},
{
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"name": "Quels facteurs de risque pour l'insuffisance placentaire ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les facteurs incluent le tabagisme, l'hypertension, le diabète et les grossesses multiples."
}
},
{
"@type": "Question",
"name": "Quels risques associés au placenta praevia ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les antécédents de chirurgie utérine et les grossesses multiples augmentent le risque de placenta praevia."
}
},
{
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"name": "Quels facteurs pour le décollement placentaire ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les facteurs incluent l'hypertension, les traumatismes abdominaux et les antécédents de décollement."
}
},
{
"@type": "Question",
"name": "Quels facteurs de risque d'infection placentaire ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les infections vaginales antérieures et une mauvaise hygiène augmentent le risque d'infection placentaire."
}
},
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"name": "Quels facteurs de risque pour une grossesse molaire ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les antécédents de grossesse molaire et l'âge maternel avancé sont des facteurs de risque connus."
}
}
]
}
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}
Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale
Validation scientifique effectuée le 17/06/2026
Contenu vérifié selon les dernières recommandations médicales
4 publications dans cette catégorie
Affiliations :
Department of Biomedical Sciences, University of Missouri, Columbia, MO, USA.
Data Science and Informatics Institute, University of Missouri, Columbia, MO, USA.
Thompson Center for Autism and Neurobehavioral Disorders, University of Missouri, Columbia, MO, USA.
Publications dans "Placenta" :
2 publications dans cette catégorie
Affiliations :
Fujian Provincial Maternity and Children's Hospital, affiliated hospital of Fujian Medical University, Fuzhou, Fujian, China.
Publications dans "Placenta" :
2 publications dans cette catégorie
Affiliations :
Fujian Provincial Maternity and Children's Hospital, affiliated hospital of Fujian Medical University, Fuzhou, Fujian, China.
Publications dans "Placenta" :
2 publications dans cette catégorie
Affiliations :
Fujian Provincial Maternity and Children's Hospital, affiliated hospital of Fujian Medical University, Fuzhou, Fujian, China.
Publications dans "Placenta" :
2 publications dans cette catégorie
Publications dans "Placenta" :
2 publications dans cette catégorie
Publications dans "Placenta" :
2 publications dans cette catégorie
Publications dans "Placenta" :
2 publications dans cette catégorie
Publications dans "Placenta" :
2 publications dans cette catégorie
Affiliations :
Department of Obstetrics and Gynecology, Nagoya University Graduate School of Medicine, Nagoya, Japan.
Department of International Medical Education, Nagoya University Graduate School of Medicine, Nagoya, Japan.
Publications dans "Placenta" :
2 publications dans cette catégorie
Affiliations :
Department of Obstetrics and Gynecology, Nagoya University Graduate School of Medicine, Nagoya, Japan.
Publications dans "Placenta" :
2 publications dans cette catégorie
Affiliations :
Department of Obstetrics and Gynecology, Faculty of Medicine, Juntendo University, Tokyo, Japan.
Aiiku Research Institute for Maternal, Child Health and Welfare, Imperial Gift Foundation Boshi-Aiiku-Kai, Tokyo, Japan.
Publications dans "Placenta" :
2 publications dans cette catégorie
Affiliations :
Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Beth Israel Deaconess Medical Center, Boston, MA, 02215, USA. sshainke@bidmc.harvard.edu.
Department of Obstetrics, Gynecology, and Reproductive Biology, Harvard Medical School, Boston, MA, 02215, USA. sshainke@bidmc.harvard.edu.
Publications dans "Placenta" :
2 publications dans cette catégorie
Affiliations :
Centre for Trophoblast Research, University of Cambridge, Cambridge CB2 3EG, UK myt25@cam.ac.uk.
Department of Pathology, University of Cambridge, Cambridge CB2 1QP, UK.
Department of Physiology, Neuroscience and Development, University of Cambridge, Cambridge CB2 3EG, UK.
Publications dans "Placenta" :
2 publications dans cette catégorie
Affiliations :
Department of Genetics, Development and Cell Biology, Iowa State University, Ames, IA, USA.
Publications dans "Placenta" :
1 publication dans cette catégorie
Affiliations :
Fujian Provincial Maternity and Children's Hospital, affiliated hospital of Fujian Medical University, Fuzhou, Fujian, China. jxlingling120@163.com.
Publications dans "Placenta" :
1 publication dans cette catégorie
Affiliations :
Fujian Provincial Hospital, affiliated hospital of Fujian Medical University, Fuzhou, Fujian, China.
Publications dans "Placenta" :
1 publication dans cette catégorie
Affiliations :
Fujian Provincial Maternity and Children's Hospital, affiliated hospital of Fujian Medical University, Fuzhou, Fujian, China.
Publications dans "Placenta" :
1 publication dans cette catégorie
Affiliations :
Department of Physical Examination Center, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China.
Publications dans "Placenta" :
1 publication dans cette catégorie
Affiliations :
Department of Physical Examination Center, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China.
Publications dans "Placenta" :
1 publication dans cette catégorie
Affiliations :
Department of Gynecology and Obstetrics, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China.
Publications dans "Placenta" :
Preeclampsia (PE) is a hypertensive pregnancy disorder linked to placental dysfunction, often involving pathological lesions like acute atherosis, decidual vasculopathy, accelerated villous maturation...
A total of 168 placental whole-slide images (WSIs) of patients from Seoul National University Hospital (comprising 84 PE cases and 84 normal controls) were used for model development and internal vali...
Using ensemble modeling, we developed a model to identify PE placentas. The model showed good performance (area under the precision-recall curve [AUPRC], 0.771; 95% confidence interval [CI], 0.752-0.7...
The proposed computational pathology model demonstrated a strong ability to identify preeclamptic placentas. Computational pathology has the potential to improve the identification of PE placentas....
Placenta accreta spectrum (PAS) is defined as the attachment of the placenta to the uterine wall in varying degrees. However, the studies have explored that the underlying molecular mechanisms of the ...
In total, 30 individuals in control, 20 patients in the placenta previa group, and 30 patients in the PAS group were included in this study. The expression levels of SIRT1 in the placentas were determ...
SIRT1 was significantly lower in placentas of the PAS. However, maternal and umbilical cord serum samples were not significantly different between groups....
SIRT1 may play an important role in the pathogenesis of the PAS....
To build and validate a predictive model of placental accreta spectrum (PAS) in patients with placenta previa (PP) combining clinical risk factors (CRF) with US and MRI signs....
Our retrospective study included patients with PP from two institutions. All patients underwent US and MRI examinations for suspicion of PAS. CRF consisting of maternal age, cesarean section number, s...
A total of 171 patients were enrolled from two institutions. Independent predictors of PAS included in the nomogram were: 1) smoking and number of previous CS among CRF; 2) loss of the retroplacental ...
A nomogram-based model combining CRF with US and MRI signs might help to predict PAS in PP patients, with MRI contributing more than US as imaging evaluation....
The trophoblast cells are responsible for the transfer of nutrients between the mother and the foetus and play a major role in placental endocrine function by producing and releasing large amounts of ...
Preeclampsia (PE) is a severe pregnancy complication due to placental dysfunction. Thrombomodulin (TM), a glycoprotein expressed on the trophoblast cell membrane, plays an organ-protective role in the...
In this study, maternal blood serum and placental tissue were obtained from 72 PE patients and 110 normal controls. Soluble TM(sTM) and HMGB1 levels in the maternal serum were assessed. The placental ...
The increase in circulating sTM and HMGB1 could be attributed to the enhanced placental TM shedding in PE patients. The molecular events mediated by the imbalance in the placental TM and HMGB1 levels ...
Gene regulation is essential to placental function and fetal development. We built a genome-scale transcriptional regulatory network (TRN) of the human placenta using digital genomic footprinting and ...
Oxygen-Enhanced Magnetic Resonance Imaging (OE-MRI) of the human placenta is potentially a sensitive marker of in vivo oxygenation. This methodological study shows that full coverage of the placenta i...
The study of pathologic diagnosis of placental TB is rare. The aim of this study is analyzing the pathomorphological characteristics of tuberculosis (TB) placenta during pregnancy and its clinical sig...
Nineteen cases of placental tissue specimens during pregnancy were collected from June 2015 to February 2022 at Shanghai Public Health Clinical Center, the only inpatient center for pregnant women wit...
Among the 19 cases, 7 cases caused intrauterine stillbirth, 3 cases received artificial abortion required by the pregnant woman, the other 9 cases received standard delivery and the infants survived, ...
Combining acid-fast staining and molecular pathological testing is helpful for accurately diagnosing placental TB....
Trophoblast injury is central to clinically relevant placenta dysfunction. We hypothesized that the mRNA of primary human trophoblasts, exposed to distinct injuries in vitro, capture transcriptome pat...
The number of cases of placenta accreta spectrum disorder has been increasing with the increase in in vitro fertilization and cesarean deliveries. In addition, placenta accreta spectrum without placen...