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孕期多少周有胎心胎芽
更新时间: 2020-11-05 00:00:00  

孕期六到七周时可以看到胎芽,妊娠七到八周时就可以看到原始的胎心搏动。

胎心即胎儿的心跳,反映胎儿在宫内状态,当各种原因引起胎儿缺氧时,胎心很敏感地会出现变化。

关键词: 孕期 多少

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