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扩宫试验怎么确定是宫颈松?How does dilate palace test determine is cervix pine?

  宫颈分解剖学内口与组织学内口,它们之间有一子宫峡部相隔,宫颈管正常长度为2.5-3cm,当做妇科检查时,宫颈内口能顺利通过7号扩宫棒,或妊娠期无明显腹痛而B超测内口宽度>0.5cm,宫颈管长度<2.5cm,有助于诊断。从妊娠第4~5个月易发生。

扩宫试验怎么确定是宫颈松?How does dilate palace test determine is cervix pine?

  The cervix is divided into anatomy, internal mouth and histological inner mouth. There is a hysterectomy between them. The normal length of the cervix is 2.5-3cm. When used as a gynecological examination, the cervix can successfully pass through the 7th expansion stick. Or there is no obvious abdominal pain during pregnancy and B ultrasound internal width & GT; 0.5 cm, cervical tube length & lt; 2.5 cm, which is helpful for diagnosis. From the 4th to 5th month of pregnancy.

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