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The most common symptom of placenta previa is vaginal bleeding that is bright red and not associated with abdominal tenderness or pain, especially in the third trimester of pregnancy. However, each woman may exhibit different symptoms of the condition or symptoms may resemble other conditions or medical problems.
If the placenta separates before delivery it can hinder the supply of nutrients and oxygen from mother to child. The more the detachment the more the bleeding as the blood vessels rupture and this condition occurs once in every 100-120 births. The risk factors for placental abruption in the first trimester include smoking, drug. p.