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關於懷孕的事實

為什麼孩子出生了?

唐氏綜合症據醫生介紹 - 一種純粹的遺傳巧合。為什麼唐氏綜合症患兒會出生?這種偏差的特徵是什麼,是否有可能在懷孕早期發現它?

這份清單絕對包含了有關懷孕的所有事實,很難想像,而且幾乎不可能編制它。但是關於懷孕的一些有趣的事實導致你可以...

例如:受精後六天,人類胚胎已經有一百多個細胞; 在懷孕期間,婦女的免疫力一定會下降,所以她的身體不會拒絕胚胎; 在整個懷孕期間子宮增加20-25倍。

順便說一下,男孩懷孕的持續時間通常略高於女孩懷孕的時間。

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