Risk Factors for Macrosomia in Multipara: A Multi-Center Retrospective Study.

The increased incidence of macrosomia has caused an enormous burden after the transition from the almost 40-year one-child policy to the universal two-child policy in 2015 and further to the three-child policy in 2021 in China. However, studies on risk factors of macrosomia in multipara under the new fertility policy in China are limited. We aim to explore the incidence and risk factors for macrosomia in multipara to provide the scientific basis for preventing macrosomia in multipara.

Risk of gestational diabetes recurrence and the development of type 2 diabetes among women with a history of gestational diabetes and risk factors: a study among 18 clinical centers in China.

Background: Gestational diabetes mellitus (GDM) brings health issues for both mothers and offspring, and GDM prevention is as important as GDM management. It was shown that a history of GDM was significantly associated with a higher maternal risk for GDM recurrence. The incidence of GDM recurrence was unclear because of the incidence of second-child was low before 2016 in China.

Placenta percreta evaluated by MRI: correlation with maternal morbidity.

Purpose: The purpose of this study was to evaluate the capability of MRI in depicting the topography of placenta percreta (PP) and to further explore the correlation between invasion topography and maternal outcomes.

Methods: 55 patients with histologically or surgically confirmed PP were included in this retrospective study. Two senior radiologists evaluated the topography of PP based on MR images: the invasion topography was depicted as S1, S2, parametrial, bladder, and cervical invasion.

Morphological evaluation of cervix using MRI at 32 to 36 weeks of gestation: Findings for predicting invasive placenta previa.

This study is to investigate the role of cervical morphology evaluated by magnetic resonance imaging (MRI) in predicting invasive placenta previa (IPP).Totally 105 cases of pregnant women underwent prenatal placental MRI at 32 to 36 weeks of gestation for suspected IPP were included in this study. Cervical morphology (cervical length and placental protrusion) was evaluated independently by 2 radiologists.

Multilayer urban canopy modelling and mapping for traffic pollutant dispersion at high density urban areas.

A semi-empirical multilayer urban canopy model is developed to estimate the vertical dispersion of traffic emissions in high density urban areas. It is motivated by the heterogeneity of urban morphology in real urban cities and the need of quick urban design and planning. The urban canopy is divided into multiple layers, to include the impact of building height variance on pollutant dispersion.

Invasive placenta previa: Placental bulge with distorted uterine outline and uterine serosal hypervascularity at 1.5T MRI - useful features for differentiating placenta percreta from placenta accreta.

Objectives: To characterise MRI features of invasive placenta previa and to identify specific features for differentiating placenta percreta (PP) from placenta accreta (PA).

Methods: Forty-five women with PP and 93 women with PA who underwent 1.5T placental MRI were included.

Polymorphisms in the MTHRF, VDR, MMP-9 and IL-β genes and the risk of premature rupture of membranes.

Background: Premature rupture of membranes (PROM) occurs 2.5-3 times more often in premature births than in births that are full term, is accompanied by many complications for both the mother and fetus and can cause serious adverse consequences. Little is known about the genetic susceptibility of PROM.

Fetal cleft lip with and without cleft palate: comparison between MR imaging and US for prenatal diagnosis.

Objective: To describe the magnetic resonance (MR) imaging findings of fetal CL/CP and evaluate its diagnostic value.

Methods And Materials: Twelve fetuses with CL/CP diagnosed by transabdominal US underwent MR imaging within 2 days of US. Half-Fourier acquisition single-shot turbo spin echo (HASTE) sequence on T2-weighted images was performed on sagittal, coronal, and axial planes anatomic to the fetuses during maternal breath holding.

Fetal central nervous system anomalies: comparison of magnetic resonance imaging and ultrasonography for diagnosis.

Background: Evaluation of fetal central nervous system (CNS) agenesis by ultrasonography (US) is frequently limited, but magnetic resonance imaging (MRI) has its own advantages and is gaining popularity in displaying suspected fetal anomalies. The purpose of this study was to explore the value of MRI in detecting fetal CNS agenesis.

Methods: Thirty-four women (aged from 22 to 35 years, average 27 years) with complicated pregnancies (16 - 39 weeks of gestation, average 30 weeks) were examined with a 1.