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Breast health All about mom — mother guilt Quick tips on how to keep you looking good Post baby relationships Friendships after baby Older mothers. If the sex difference in the SG is present early in life, this strengthens the idea that it is innately programmed. The field of the developmental origins of health and sex scene focuses on how the environment in the uterus, including the hormonal environment, might affect later health, behaviour and well-being. Recent research by Peg Nopoulos, Jessica Wood and colleagues at the University of Iowa illustrates just how difficult it is to untangle nature and nurture, even at the level of brain structure.
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