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Eldest Daughters Mature Faster Amidst Maternal Stress
25 May
Summary
- First-born daughters mature earlier when mothers face prenatal stress.
- This early maturation helps daughters act as 'helpers-at-the-nest'.
- Researchers tracked families for 15 years for this study.
A recent study indicates that first-born daughters may mature earlier, particularly when their mothers experience high levels of stress during pregnancy. This phenomenon, often referred to as "eldest daughter syndrome," has been linked to accelerated social and cognitive development.
Researchers observed that this early maturation helps these daughters become "helpers-at-the-nest," assisting mothers with childcare. This adaptive response allows mothers to better manage younger offspring in challenging environments.
The study, published in Psychoneuroendocrinology, tracked families for 15 years, analyzing maternal stress during pregnancy and children's pubertal development. Notably, this effect was not observed in first-born sons.
This research adds to the understanding of fetal programming, which explores how maternal experiences during pregnancy impact children long-term. Previous studies suggest eldest daughters are also more likely to achieve success and hold leadership roles later in life.
