The cervix or uterine cervix is a fibromuscular cylinder-shaped band that communicates the vagina with the uterus and is approximately 3 to 4 cm long and 2.5 in diameter.
In order for the delivery to occur vaginally, the cervical erasure To make way for the baby.
Erase, also called shortening of the cervix, is one of the parameters taken into account to recognize if labor has begun.
The first phase of labor, the phase of early or latent dilation, consists in the erasure of the cervix, in which the softening and total erasure of the cylinder that constitutes the cervix occurs.
Once the erasure is finished, the neck is like a ring (cervical ring) and the dilation itself begins.
In the next phase of labor, the active dilation phase, the contractions gradually open the diameter of the cervix until it reaches the 10 centimeters of dilation necessary for the baby to be born.
In primiparous women, that is, women who give birth for the first time, first the neck is erased and then dilated. In contrast, in multiparous women, women who have already given birth, erasure and dilation of the neck occur simultaneously.
In one of these two stages of dilation, when the cervix is erased and dilated, the mucous plug that seals the entrance as a barrier can be expelled to protect the uterus from possible infections.
