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Gardnerella vaginalis promotes group B Streptococcus vaginal colonization, enabling ascending uteroplacental infection in pregnant mice

期刊: AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY, 2021; 224 (5)

BACKGROUND: Group B Streptococcus is a common vaginal bacterium and the leading cause of invasive fetoplacental infections. Group B Streptococcus in t......

Routine first-trimester ultrasound screening using a standardized anatomical protocol

期刊: AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY, 2021; 224 (4)

BACKGROUND: First-trimester ultrasound scans were introduced to China for nearly 20 years. The ability of first-trimester ultrasound screening to dete......

Immunity and coagulation and fibrinolytic processes may reduce the risk of severe illness in pregnant women with coronavirus disease 2019

期刊: AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY, 2021; 224 (4)

BACKGROUND: There are specific physiological features regarding the immunity and coagulation among pregnant women, which may play important roles in t......

Prenatal chromosomal microarray analysis in 2466 fetuses with ultrasonographic soft markers: a prospective cohort study

期刊: AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY, 2021; 224 (5)

BACKGROUND: Soft markers are nonspecific findings detected by ultrasonography during the second trimester that are often transient and nonpathologic b......

Letrozole-induced frozen embryo transfer cycles are associated with a lower risk of hypertensive disorders of pregnancy among women with polycystic ovary syndrome

期刊: AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY, 2021; 225 (1)

BACKGROUND: Observational retrospective data suggest that an artificial cycle frozen embryo transfer may be associated with a higher risk of hypertens......

Women and babies are dying from inertia: a collaborative framework for obstetrical drug development is urgently needed

期刊: AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY, 2021; 225 (1)

Obstetrical complications, often referred to as the "great obstetrical syndromes," are among the most common global causes of mortality and morbidity ......

Equity in coronavirus disease 2019 vaccine development and deployment

期刊: AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY, 2021; 224 (5)

The coronavirus disease 2019 pandemic exposed weaknesses in multiple domains and widened gender-based inequalities across the world. It also stimulate......

Fetal growth velocity standards from the Fetal Growth Longitudinal Study of the INTERGROWTH-21 st Project

期刊: AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY, 2021; 224 (2)

BACKGROUND: Human growth is susceptible to damage from insults, particularly during periods of rapid growth. Identifying those periods and the normati......

Noninvasive inferring expressed genes and in vivo monitoring of the physiology and pathology of pregnancy using cell-free DNA

期刊: AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY, 2021; 224 (3)

BACKGROUND: Noninvasive monitoring of fetal development and the early detection of pregnancy-associated complications is challenging, largely because ......

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