足月順產(chǎn)時(shí),宮口需要開(kāi)全,也就是宮口開(kāi)十指才能生。對(duì)于初產(chǎn)婦來(lái)說(shuō),產(chǎn)程時(shí)間較長(zhǎng),規(guī)律宮縮后大約十幾個(gè)小時(shí)能分娩。對(duì)于經(jīng)產(chǎn)婦來(lái)說(shuō),產(chǎn)程相對(duì)較短,一般4-8個(gè)小時(shí)即可分娩,在初產(chǎn)婦在分娩時(shí),潛伏期相對(duì)較長(zhǎng),從規(guī)律宮縮到宮口開(kāi)3cm,時(shí)間較長(zhǎng),加速期后,宮口開(kāi)得相對(duì)較快,建議整個(gè)過(guò)程就被稱為開(kāi)宮口胎兒就能通過(guò)后出生。最好下床多走動(dòng)在陣痛間隔時(shí),可以在家人或助產(chǎn)士的幫助下,盡量多下床走動(dòng),要多注意休息,適當(dāng)補(bǔ)充葉酸,生活作息要有規(guī)律。