Control of labor contractions durin

Control of labor contractions during parturition occurs via a positive feedback cycle.
Contractions of the uterine myometrium force the baby’s head or body into the cervix, distending (stretching) the cervix.
Stretch receptors in the cervix send nerve impulses to neurosecretory cells in the hypothalamus, causing them to release oxytocin into blood capillaries of the posterior pituitary gland.

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Kontrol kerja kontraksi selama nifas terjadi melalui sebuah siklus umpan balik positif. Kontraksi dari rahim Miometrium memaksa bayi kepala atau badan memasuki leher rahim, distending (peregangan) leher rahim. Peregangan reseptor di leher rahim mengirim impuls saraf ke sel-sel neurosecretory di hipotalamus, menyebabkan mereka untuk melepaskan oxytosin ke dalam darah kapiler dari kelenjar hipofisis posterior.