A baby’s weight at birth is linked to the mother’s pattern of stress hormone before she even become pregnant. When we experience stressful event , our body releases a hormone called CARTISOL. Cartisol levels are highest when we get out of bed in the morning and reduces as the day progresses. But due to chronic stress some people experience small level of decline during the day. This abnormal pattern of cartisol has also been linked to the progression of cancer ,hardening of the arteries etc. The latest work
finds it may also predict the risk of having a baby with lower birth weight.
For the study, Christine Guardino and his colleagues analyzed data from 142 female participants of a community Child Health Network study that was investigating how chronic stress affects new parents and their babies.
They found that the same cartisol pattern that has been linked to cronic stress is associated with delivering a baby that weighs less at birth.
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Stress before pregnancy linked to birth weight