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Having a kid changes everything, from your sleep schedule to the status of that formerly spare room. The stable of bacteria that live in a woman's gut is also transformed when their host becomes pregnant. So finds research in the journal Cell.
有了孩子一切就變了，不僅睡覺時間變得不規律，之前空余的房間也會大變樣。女人懷孕后，寄生在腸道里的細菌的穩定性也在悄然改變。在《細胞》雜志上可發現這項研究。
The study looked at women in Finland. The women's microbial makeup changed dramatically between the first and third trimesters. The array of microbes in the gut went from looking normal in the first three months of a pregnancy to resembling what's found in patients suffering from metabolic disease in the last three.
研究中觀察了芬蘭的婦女。在早期妊娠和晚期妊娠之間，婦女們的微生物組織方面發生了巨大的改變。腸道內的微生物種類從懷孕前三個月的正常，發展到后三個月與患有新城代謝疾病的病人類似。
But some of the symptoms of that condition—like weight-gain and slower sugar metabolism—can be beneficial to pregnant women, supporting energy storage that helps a fetus develop. Other symptoms, like inflammation, demonstrate that the immune system is functioning properly as a pregnancy comes to term.
但是這種情況下的某些癥狀，比如說體重增加和糖類代謝緩慢都對孕婦身體有益處，有助于孕婦儲存能量，以促使嬰兒發育。其他一些癥狀，比如說炎癥就說明在懷孕過程中免疫系統功能正常。
Scientists don't yet fully understand what brings about the changes in gut bacteria—immune function is a suspect, but factors like hormonal signals aren't ruled out. The research suggests that other changes to the body, like puberty or old age, could also bring about microbial makeovers.
科學家們并不完全了解腸道細菌的變化因什么引起——免疫功能只是一種猜測，而且荷爾蒙信號這類因素也可以排除不考慮。這項研究顯示身體的其他變化，比如說青春期和老齡期，也能引發體內微生物發生巨變。
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