Expulsion refers to removing a drive out all the baby since after the rotation of the head, shoulders, arms, trunk, including childbirth and baby's legs (the Birth of trunks, legs and shoulder, hips), which uses a very fast time. When the baby has on external head and the width of the shoulders in front – back of the pelvis is the exit channel of the shoulder followed by birth a baby by the pubis symphysis below the shoulders, and will serve as a support point, underneath the bone joints. Symphysis pubis when I have fits of the uterus at the same time. Mother's muscles and strength, it will push to trunk. The shoulder after it crawled through Pelvic floor and perineum came out and then the front shoulder. When the shoulder both born already. The part of the trunk and is born by a size comparable to the shoulder, and can reduce the size of the chest and abdominal parts. Hips and legs, which is not going over the shoulders, they are born easily.
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