Genetics

Biological sex affects genes for body fat, cancer, birth weight

Biological sex has a small but ubiquitous influence on gene expression in almost every type of human tissue, reports a new study from Northwestern Medicine, the University of Chicago and the Centre for Genomic Regulation ...

Surgery

Weight-loss surgery cuts risk of birth defects

Children born to women who underwent gastric bypass surgery before becoming pregnant had a lower risk of major birth defects than children born to women who had severe obesity at the start of their pregnancy. That's according ...

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Birth mass

Birth mass is the mass of a baby at its birth. It has direct links with the gestational age at which the child was born and can be estimated during the pregnancy by measuring fundal height. A baby born within the normal range of mass for that gestational age is known as appropriate for gestational age (AGA). Those born above or below that range have often had an unusual rate of development – this often indicates complications with the pregnancy that may affect the baby or its mother. The incidence of birth mass being outside of the AGA is influenced by the parents in numerous ways, including:

There have been numerous studies that have attempted, with varying degrees of success, to show links between birth mass and later-life conditions, including diabetes, obesity, tobacco smoking and intelligence.

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