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出生之前,宝宝要在妈妈的肚子里生活九个月。他在子宫里会得到很好的保护。他可以在羊膜内的羊水里游泳。如果妈妈活动的话,他还可以在羊膜里轻轻地晃动身体。宝宝只能通过脐带从妈妈那里得到营养物质和氧气,因为他还不能自己吃饭和呼吸。他会成长得非常迅速,而这样的成长速度在出生之后便再也不会出现了。在妈妈的肚子里待满两个月,宝宝所有的器官就都已形成,肌肉和骨骼也已经成形。第三个月,宝宝已经长出了比较清晰的脸庞,但他的眼睛还是闭着的。他已经可以用手去抓,用脚去踢,还可以翻身了。
Before birth, the baby will live in her mother’s stomach for nine months. He is well protected in the womb. He can swim in amniotic fluid. If the mother activities, he can also gently shake the body in the amniotic membrane. Baby can only get nutrients and oxygen from her mother through the umbilical cord, because he can not eat and breathe on his own. He will grow very rapidly, and such a growth rate will not appear after birth. Two months in her mother’s stomach, all the organs of the baby have been formed, and the muscles and bones have also been formed. The third month, the baby has grown a more clear face, but his eyes are still closed. He can already use his hand to grab, kick with his feet, you can stand up.