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Sex of baby drives response to pregnancy stress

May 1

“The male, when mum is stressed, pretends it’s not happening and keeps growing, so he can be as big as he possibly can be. The female, in response to mum’s stress, will reduce her growth rate a little bit; not too much so she becomes growth restricted, but just dropping a bit below average.

“When there is another complication in the pregnancy — either a different stress or the same one again — the female will continue to grow on that same pathway and do okay but the male baby doesn’t do so well and is at greater risk of pre-term delivery, stopping growing or dying in the uterus.”

via Sex of baby drives response to pregnancy stress.

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