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In an occiput posterior position, labor becomes prolonged, and more operative interventions are deemed necessary. [4] The prevalence of the persistent occiput posterior is given as 4.7%. [4] The vertex presentations are further classified according to the position of the occiput, both right, left, or transverse and anterior or posterior:
Sacrum posterior (SP)—the buttocks face posteriorly. Shoulder presentations with transverse lie are classified into four types, based on the location of the scapula (shoulder blade). This presentation needs to be delivered by cesarean section. Left scapula-anterior (LSA) Right scapula-anterior (RSA) Left scapula-posterior (LSP) Right scapula ...
Sacrum posterior (SP)—the buttocks face posteriorly. Shoulder presentation with transverse lie are classified into four types, based on the location of the scapula (shoulderblade); note: the presentation is significantly different from asynclitic positioning , and in most cases needs to be delivered by cesarean section .
Posterior asynclitism is when the fetal occiput is facing the mother's spine, and anterior asynclitism is when the fetal occiput is facing the mother's belly. The most common and preferred type of asynclitism is the left occiput anterior asynclitism because the baby's head enters the pelvis in such a way that it minimizes the circumference of ...
They may also be referred to as delivery positions or labor positions. In addition to the lithotomy position (on back with feet pulled up), still commonly used by many obstetricians , other positions are successfully used by midwives and traditional birth-attendants around the world.
These bones are separated by membranous spaces, or sutures. The most important sutures are the frontal, between the two frontal bones; the sagittal, between the two parietal bones; the two coronal, between the frontal and parietal bones; and the two lambdoid, between the posterior margins of the parietal bones and upper margin of the occipital ...
Still facing the woman, the health care provider palpates the abdomen with gentle but also deep pressure using the palm of the hands. First the right hand remains steady on one side of the abdomen while the left hand explores the right side of the woman's uterus. This is then repeated using the opposite side and hands.
Back labor (less commonly called posterior labor [1] [2]) is a term referring to sensations of pain or discomfort that occur in the lower back, just above the tailbone, to a mother during childbirth. [ 3 ]