Hayan Kwon
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View article: Investigating Birth and Thyroid Outcomes of Maternal-Fetal Environmental Exposures (IBM-E): A Cohort Protocol for Dietary Iodine and Endocrine Disruptors
Investigating Birth and Thyroid Outcomes of Maternal-Fetal Environmental Exposures (IBM-E): A Cohort Protocol for Dietary Iodine and Endocrine Disruptors Open
Background: Endocrine-disrupting chemicals (EDCs) are environmental pollutants that may impair maternal and fetal health by disrupting hormonal systems, including the thyroid. Both iodine deficiency and excess are associated with thyroid d…
View article: Maternal Exposure to Diesel Exhaust Particles (DEPs) During Pregnancy and Adverse Pregnancy Outcomes: Focusing on the Effect of Particulate Matter on Trophoblast, Epithelial-Mesenchymal Transition
Maternal Exposure to Diesel Exhaust Particles (DEPs) During Pregnancy and Adverse Pregnancy Outcomes: Focusing on the Effect of Particulate Matter on Trophoblast, Epithelial-Mesenchymal Transition Open
During pregnancy, exposure to fine particulate matter (PM2.5), particularly diesel exhaust particles (DEPs), elevates the risk of placental dysfunction-related pregnancy complications; however, the underlying cellular mechanisms have yet t…
View article: Diagnostic Efficacy of Cervical Elastography in Predicting Spontaneous Preterm Birth in Pregnancies with Threatened Preterm Labor
Diagnostic Efficacy of Cervical Elastography in Predicting Spontaneous Preterm Birth in Pregnancies with Threatened Preterm Labor Open
Background/Objective: Accurately identifying women at high risk for preterm birth among those with threatened preterm labor (PTL) is crucial for effective interventions or tocolytic management to reduce preterm birth and its complications.…
View article: The Development of an Ultrasound-Based Scoring System for the Prediction of Interstitial Pregnancy
The Development of an Ultrasound-Based Scoring System for the Prediction of Interstitial Pregnancy Open
Background/Objectives: Diagnosing interstitial pregnancy (IP) using ultrasonography can be challenging, as it is often mistaken for eccentrically located intrauterine pregnancy (IUP). In this retrospective cohort study, we aimed to develop…
View article: Prenatal Diagnosis of Arachnoid Cysts Without Extra‐Central Nervous System Anomalies in the Korean Population: A Multi‐Center Retrospective Study on Postnatal Diagnosis and Clinical Outcomes
Prenatal Diagnosis of Arachnoid Cysts Without Extra‐Central Nervous System Anomalies in the Korean Population: A Multi‐Center Retrospective Study on Postnatal Diagnosis and Clinical Outcomes Open
Background The aim of our study was to investigate the clinical characteristics, discrepancies in postnatal diagnosis, and outcomes of prenatally diagnosed arachnoid cysts without extra‐CNS anomalies. Methods This study was a multi‐center …
View article: Prenatal diagnosis and postnatal outcome of fetal intracranial hemorrhage: a single-center experience
Prenatal diagnosis and postnatal outcome of fetal intracranial hemorrhage: a single-center experience Open
Objective To assess prenatal ultrasonographic findings and postnatal outcomes in fetuses with intracranial hemorrhage (ICH).Methods This retrospective study included fetuses prenatally diagnosed with ICH between December 2012 and August 20…
View article: Pregnancy outcomes of cerclage in twin gestations: a multicenter retrospective cohort study
Pregnancy outcomes of cerclage in twin gestations: a multicenter retrospective cohort study Open
In twin pregnancies with a CL ≤2.5 cm, cerclage significantly prolongs gestation. However, unnecessary cerclage in women with a CL >2.5 cm may result in a higher risk of preterm labor and histologic chorioamnionitis although this study has…
View article: Impaired Angiogenic Function of Fetal Endothelial Progenitor Cells via PCDH10 in Gestational Diabetes Mellitus
Impaired Angiogenic Function of Fetal Endothelial Progenitor Cells via PCDH10 in Gestational Diabetes Mellitus Open
Maternal hyperglycemia, induced by gestational diabetes mellitus (GDM), has detrimental effects on fetal vascular development, ultimately increasing the risk of cardiovascular diseases in offspring. The potential underlying mechanisms thro…
View article: Impaired Angiogenic Function of Fetal Endothelial Progenitor Cells via PCDH10 Overexpression in Gestational Diabetes Mellitus
Impaired Angiogenic Function of Fetal Endothelial Progenitor Cells via PCDH10 Overexpression in Gestational Diabetes Mellitus Open
Maternal hyperglycemia, induced by gestational diabetes mellitus (GDM), has detrimental effects on fetal vascular development, ultimately increasing the risk of cardiovascular diseases in offspring. The potential underlying mechanisms by w…
View article: EP07.03: Prenatal diagnosis and postnatal outcome of fetal intracranial hemorrhage: a single centre 10‐year experience
EP07.03: Prenatal diagnosis and postnatal outcome of fetal intracranial hemorrhage: a single centre 10‐year experience Open
which revealed a normal female chromosomal complement (46 XX).Subsequently, a fetal MRI was performed and confirmed the diagnosis of cervical meningocele.The transverse sectional MRI showed at 26 weeks of gestation an anomaly in the first …
View article: OP06.05: Automatic fetal mid‐sagittal plane detection using deep learning‐based 3D segmentation network
OP06.05: Automatic fetal mid‐sagittal plane detection using deep learning‐based 3D segmentation network Open
Increased fetal nuchal translucency (NT) on mid-sagittal plane (MSP) is considered biomarker associated with increased risk for chromosomal and structural anomalies, or twin–twin transfusion syndrome. Because accurate MSP acquisition depen…
View article: EP13.14: The role of fetal right heart modified myocardial performance index in prediction of adverse perinatal outcomes in fetal growth restriction
EP13.14: The role of fetal right heart modified myocardial performance index in prediction of adverse perinatal outcomes in fetal growth restriction Open
To evaluate whether the right modified myocardial performance index (Mod-RMPI) can predict adverse perinatal outcomes in pregnancies complicated with fetal growth restriction (FGR). We conducted a multicentre prospective study including 57…
View article: EP14.01: The effect of fetal growth restriction on maternal pre‐eclampsia in discordant dichorionic twin
EP14.01: The effect of fetal growth restriction on maternal pre‐eclampsia in discordant dichorionic twin Open
The objective of this study was to determine the association between maternal pre-eclampsia and discordant twins, especially in relation to small for gestational age (SGA) in smaller twin. This retrospective multicentre cohort study includ…
View article: EP20.16: Reproductive and obstetric outcomes after radical trachelectomy in patients with early invasive uterine cervical cancer
EP20.16: Reproductive and obstetric outcomes after radical trachelectomy in patients with early invasive uterine cervical cancer Open
Physician-Patient Relations: The complex and sensitive relations with the patients undergoing Feticide.In this context, favouring performing the procedure under sedation as a mean to reduce patient emotional pain.An Unspoken Procedure: Phy…
View article: Decidual lymphatic endothelial cell‐derived granulocyte‐macrophage colony‐stimulating factor induces M1 macrophage polarization via the NF‐κB pathway in severe pre‐eclampsia
Decidual lymphatic endothelial cell‐derived granulocyte‐macrophage colony‐stimulating factor induces M1 macrophage polarization via the NF‐κB pathway in severe pre‐eclampsia Open
Problem Direct interactions between macrophages and lymphatic vessels have been shown previously. In pre‐eclampsia (PE), macrophages are dominantly polarized into a proinflammatory M1 phenotype and lymphangiogenesis is defective in the dec…
View article: Clinical efficacy of a novel method of fertility-preserving adenomyomectomy in infertile women with diffuse adenomyosis
Clinical efficacy of a novel method of fertility-preserving adenomyomectomy in infertile women with diffuse adenomyosis Open
Beneficial and detrimental effect of surgical adenomyomectomy is still controversial in infertile women with severely diffuse adenomyosis. The primary objective of this study was to assess whether a novel method of fertility-preserving ade…
View article: Midtrimester cervical elastography in pregnant women with a history of loop electrosurgical excision procedure (LEEP)
Midtrimester cervical elastography in pregnant women with a history of loop electrosurgical excision procedure (LEEP) Open
We aimed to compare cervical elastographic parameters based on a previous loop electrosurgical excision procedure (LEEP) and to determine whether they can predict preterm delivery in pregnant women with a history of LEEP. This multicenter …
View article: VP46.04: Cervical elastography in pregnant women with short cervix: a multicentre prospective observational study
VP46.04: Cervical elastography in pregnant women with short cervix: a multicentre prospective observational study Open
This study aimed to investigate if there are differences in elastographic parameters measured according the standardised protocol between women with spontaneous preterm delivery (sPTD) and those with term delivery among women with short ce…
View article: VP46.13: Prediction of spontaneous preterm birth in asymptomatic women with prior preterm delivery by cervical elastography
VP46.13: Prediction of spontaneous preterm birth in asymptomatic women with prior preterm delivery by cervical elastography Open
There is no standard test for the prediction of spontaneous preterm delivery (sPTD) in women with a history of preterm delivery. The aim of this study is to investigate the availability of cervical elastography as prediction test of sPTD i…
View article: Decreased Lymphangiogenic Activities and Genes Expression of Cord Blood Lymphatic Endothelial Progenitor Cells (VEGFR3+/Pod+/CD11b+ Cells) in Patient with Preeclampsia
Decreased Lymphangiogenic Activities and Genes Expression of Cord Blood Lymphatic Endothelial Progenitor Cells (VEGFR3+/Pod+/CD11b+ Cells) in Patient with Preeclampsia Open
The abnormal development or disruption of the lymphatic vasculature has been implicated in metabolic and hypertensive diseases. Recent evidence suggests that the offspring exposed to preeclampsia (PE) in utero are at higher risk of long-te…
View article: The Feasibility of Cervical Elastography in Predicting Preterm Delivery in Singleton Pregnancy with Short Cervix Following Progesterone Treatment
The Feasibility of Cervical Elastography in Predicting Preterm Delivery in Singleton Pregnancy with Short Cervix Following Progesterone Treatment Open
Previous studies demonstrated an association between cervical strain and risk of spontaneous preterm delivery (sPTD). The present study aimed to assess the efficacy of elastography in predicting sPTD at <32 weeks of gestation in women with…
View article: Perinatal outcomes following immediate delivery or expectant management of preterm premature rupture of membranes during the late preterm period
Perinatal outcomes following immediate delivery or expectant management of preterm premature rupture of membranes during the late preterm period Open
The aim of this study is to evaluate maternal and neonatal outcomes following immediate delivery or expectant management of preterm premature rupture of membranes (PPROM) during the late preterm period at 34 + 0 –36 + 6 weeks of pregnancy.…
View article: Uterine Cervical Change at Term Examined Using Ultrasound Elastography: A Longitudinal Study
Uterine Cervical Change at Term Examined Using Ultrasound Elastography: A Longitudinal Study Open
The aim of the study was to investigate if there are changes in elastographic parameters in the cervix at term around the time of delivery and if there are differences in the parameters between women with spontaneous labor and those withou…
View article: VP52.23: Cervical elastography in twin pregnancies with cervical length above 25mm at second trimester for prediction of preterm birth
VP52.23: Cervical elastography in twin pregnancies with cervical length above 25mm at second trimester for prediction of preterm birth Open
To determine whether adding the cervical elastography to measure the cervical length improves the prediction of spontaneous preterm birth (sPTB) below 36 weeks of gestation in asymptomatic twin pregnant women with cervical length above 25m…
View article: VP52.26: Prediction of spontaneous preterm delivery in women with threatening preterm labour using elastography: a prospective study
VP52.26: Prediction of spontaneous preterm delivery in women with threatening preterm labour using elastography: a prospective study Open
There is no standard test for prediction of spontaneous preterm delivery (sPTD) in women with threatening preterm labour. To evaluate the effectiveness of the cervical elastography for predicting sPTD, we applied elastography to assess cer…
View article: Effect of Cervical Cerclage on the Risk of Recurrent Preterm Birth after a Twin Spontaneous Preterm Birth
Effect of Cervical Cerclage on the Risk of Recurrent Preterm Birth after a Twin Spontaneous Preterm Birth Open
Cerclage did not lower the risk of preterm birth in a subsequent singleton pregnancy after a twin sPTB. However, emergency cerclage was an independent risk factor for preterm birth and there was no preterm birth before 35 weeks' gestation …