central placenta previa

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Etymology: Gk, kentron + L, placenta, flat cake, praevius, preceding

placenta previa in which the placenta is implanted in the lower segment of the uterus and completely covers the internal os of the uterine cervix. In labor, as the cervix dilates, the placenta is gradually separated from the underlying blood vessels in the uterine lining, causing bleeding that usually begins slowly, is painless, and progresses to hemorrhage that is life-threatening to the mother and the baby. Cesarean section is usually performed to save the mother and the baby. The condition may be discovered by ultrasound visualization before any bleeding occurs or by digital palpation in the normal course of prenatal care. Also called complete previa. See also placenta previa.

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complete previa placenta previa			central line central lobe central lymph node central necrosis central nervous system central nervous system depressant Central Nervous System Depressants Central Nervous System Infections central nervous system leukemia central nervous system prophylaxis central nervous system stimulant Central Nervous System Stimulants central nervous system syndrome central nervous system tumor central neurogenic hyperventilation central neuronal plasticity central nystagmus Central Obesity central optic zone central ossifying fibroma central osteitis central pain central paralysis central pathway central pit central placenta previa central pontine myelinolysis central processing unit central ray central retinal artery Central retinal vein central scotoma central sensitization central serous retinopathy central sleep apnea central slip Central Spinal Cord Syndrome central spindle central stimulant central sulcus central tendency central tendon central vein of retina central vein of suprarenal gland central veins of liver Central venous access catheter central venous blood pressure central venous catheter central venous oxygen saturation central venous pressure central venous pressure monitor			Central Pennsylvania Plant Trader Central Pennsylvania Scholastic Lacrosse Association Central Pennsylvania Triumph Club Central Pennsylvania Workforce Development Corporation Central Pennsylvania Youth Ballet Central Pennsylvania Youth Soccer League Central Pennsylvania Zoological Society Central Pension Accounting Office central peripheral neuropathy central peripheral neuropathy central peripheral neuropathy central peripheral neuropathy Central Perk Central Perkiomen Youth Association Central Permanent Neurological Deficit Rate Central Personnel Clearance Index Central Personnel Data File Central Philadelphia Development Corporation Central Philadelphia Monthly Meeting Central Philippine Adventist College Central Philippine Union Conference Central Philippine University Central Physical Evaluation Board Central Piedmont Community College Central Pinellas Transit Authority central pit Central place theory central placenta previa central placentation Central Plains Area Agency on Aging Central Plains Center for Bioassessment Central Plains Dairy Association Central Plains Energy Project Central Plains Experimental Range Central Plains Irrigation Association Central Plains Jamband Society Central Plains Mennonite Conference Central Plains Reining Horse Association Central Plains Rodeo Association Central Plains Severe Weather Symposium Central Plains Society of Mammalogists Central Plains Water Central Plan Schemes Monitoring System Central plane Central planning Central Planning Area Central Planning Center Central Planning Office central planning team central planning team Central Planning Team Meeting Central Plantation Crops Research Institute Central Plasma Sheet

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