In in the occiput posterior position is the baby back to your back, face towards your abdomen, only about five percent of the baby can not become the occiputanteriorposition.
枕后位是宝宝的背部靠向你的背后，脸朝向你的腹部，大约只有百分之五的宝宝无法变为枕前位。
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Occiputanterior is usually the easiest position for the fetal head to traverse the maternal pelvis.