effacement of cervix

基本解釋

A. Labor is characterized by uterine contractions of sufficient frequency, intensity, and duration to result in effacement and dilatation of the cervix.
分娩的特征是頻率、強(qiáng)度和持續(xù)時(shí)間足夠的子宮收縮，使宮頸消退和擴(kuò)張。
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Phase 1: Early (Latent)—thinning (effacement) and opening (dilation) of the cervix to 3 cm; contractions are 30 to 45 seconds long, 20 minutes apart or less.
第一堦段：早期（潛伏期）-宮頸變薄（變淡）和擴(kuò)張（或開(kāi)大）到三厘米：宮縮頻率爲(wèi)20分鍾上下一次，每次持續(xù)30-45秒。