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Host and Microbiome clinical trials

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NCT ID: NCT04529889 Recruiting - Childhood Obesity Clinical Trials

GDM and Its Consequences in Mothers and Offsprings

GDMCMO
Start date: February 1, 2012
Phase:
Study type: Observational

Gestational diabetes mellitus (GDM) is one of the most common disorders which occured during pregnancy. GDM is not only associated with short-term maternal and fetal adverse outcomes, but also related to a wide range of long-term consequences for both mother and child. The GDM and Its Consequences for mothers and offsprings (GDMCMO) aims to establish a cohort to follow both maternal and offsprings'short-term and long-term outcomes, including fetal malformations including congenital heart diseases, birth weight, preterm birth, caesarean section delivery, body growth and neurodevelopment after birth, obesity, type 2 diabetes and impaired insulin sensitivity and secretion, lung health and allergic diseases later in life for offspring, as well as future type 2 diabetes and cardiovascular risk factors for mother after delivery. Biological samples including blood and tissue samples of mothers and children are also collected during pregnancy and after delivery.

NCT ID: NCT03668327 Recruiting - Preterm Birth Clinical Trials

Preterm Birth Cohort Study in Guangzhou

PBCSG
Start date: February 1, 2012
Phase:
Study type: Observational

The Preterm Birth Cohort Study in Guangzhou (PBCSG) aims to explore the impact of genetic and environmental factors including life styles on preterm birth, to examine the interaction effect between these factors, and to follow up the short-term and long-term outcomes of preterm childrens.

NCT ID: NCT03650829 Recruiting - ART Clinical Trials

IVF Offspring Born in Guangzhou

IVF-BIG
Start date: February 1, 2012
Phase:
Study type: Observational

The IVF Offspring Born in Guangzhou Cohort Study (IVF-BIG) was established to investigate the short- and long-term effects of exposure in early life on the health of mothers and offspring in Guangzhou, China. Data are collected regarding assisted reproductive technology (ART), environmental, occupational and lifestyle exposures as well as health outcomes in their later life. Biological samples including blood and tissue samples are also collected from participants.

NCT ID: NCT03633162 Recruiting - Childhood Obesity Clinical Trials

Maternal Grandmothers in the Born in Guangzhou Cohort Study

MGBIG
Start date: May 21, 2018
Phase:
Study type: Observational

The MGBIG is a study exploring cross-generational effects in 5000 women and their children and grandchildren located in Guangzhou, China. Its initial aim is to facilitate research on understanding the interplay between genes and environmental factors on disease etiology and on explaining the cause of the disease from the perspective of "grandmother-mother-child" heredity. Data are collected regarding environmental exposures, lifestyle, and social support on grandmother from birth to old age. Biological samples including blood and tissue samples are collected.

NCT ID: NCT03331133 Recruiting - Childhood Obesity Clinical Trials

Twins Born in Guangzhou

2-BIG
Start date: February 1, 2012
Phase:
Study type: Observational

The 2-BIG is a twin birth cohort study located in Guangzhou, China.Its initial aim is to facilitate research on understanding the interplay between genes and environmental factors on disease etiology. Data are collected regarding environmental, family and lifestyle exposures on twins from birth to 18 years old. Biological samples including blood and tissue samples are also collected from the twins and their parents.

NCT ID: NCT02526901 Recruiting - Childhood Obesity Clinical Trials

The Born in Guangzhou Cohort Study (BIGCS)

BIGCS
Start date: February 1, 2012
Phase:
Study type: Observational

The Born in Guangzhou Cohort Study (BIGCS) was established to investigate the short- and long-term effects of exposure in early life on health consequences in Guangzhou, China. Data are collected regarding environmental, occupational and lifestyle exposures as well as health outcomes in later life. Biological samples including blood and tissue samples are also collected from the participants.