I used to sit by his crib and watch him sleep just to double-check he was safe.

As if I was literally [the] other mom, rather than bigsister.

Additionally, adrenal puberty processes are reportedly believed to foster social and cognitive changes.

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As a result, the study showed that superficial physical changes correlated with emotional maturity.

Approximately half of the women were undergoing their first pregnancy.

Of the children born to these mothers, 48% were female and 52% were male.

Scientists Reveal There May Be More Truth To “Eldest Daughter Syndrome” Than Previously Thought

Results showed that the eldest girls matured the fastest when their mothers experienced high levels of prenatal stress.

The findings echoed author Yael, who said: Im not at all surprised by what the study found.

Being parentified as a child takes away from your own childhood, a reader commented

Scientists Reveal There May Be More Truth To “Eldest Daughter Syndrome” Than Previously Thought

Scientists Reveal There May Be More Truth To “Eldest Daughter Syndrome” Than Previously Thought

Scientists Reveal There May Be More Truth To “Eldest Daughter Syndrome” Than Previously Thought

Scientists Reveal There May Be More Truth To “Eldest Daughter Syndrome” Than Previously Thought

Scientists Reveal There May Be More Truth To “Eldest Daughter Syndrome” Than Previously Thought

Scientists Reveal There May Be More Truth To “Eldest Daughter Syndrome” Than Previously Thought

Scientists Reveal There May Be More Truth To “Eldest Daughter Syndrome” Than Previously Thought

Scientists Reveal There May Be More Truth To “Eldest Daughter Syndrome” Than Previously Thought

Scientists Reveal There May Be More Truth To “Eldest Daughter Syndrome” Than Previously Thought

Scientists Reveal There May Be More Truth To “Eldest Daughter Syndrome” Than Previously Thought

Scientists Reveal There May Be More Truth To “Eldest Daughter Syndrome” Than Previously Thought

Scientists Reveal There May Be More Truth To “Eldest Daughter Syndrome” Than Previously Thought

Scientists Reveal There May Be More Truth To “Eldest Daughter Syndrome” Than Previously Thought

Scientists Reveal There May Be More Truth To “Eldest Daughter Syndrome” Than Previously Thought