Gourt > Health > Reproductive Health > Pregnancy and Birth > Complications > Placenta Previa
Placenta praevia (placenta previa AE) is an obstetric complication that can occur in the second or third trimester of pregnancy. It is a leading cause of antepartum haemorrhage (vaginal bleeding) and is characterised by the implantation of the placenta over or near the top of the cervix. It affects approximately 0.5% of all labours.
Pathophysiology
No specific cause of placenta praevia has yet been found but it is hypothesized to be related to abnormal vascularisation of the endometrium caused by scarring or atrophy from previous trauma, surgery, or infection.
In the last trimester of pregnancy the isthmus of the uterus unfolds and forms the lower segment. In a normal pregnancy the placenta does not overlie it, so there is no bleeding. If the placenta does overlie the lower segment, it may sheer off and a small section may bleed.
More on [ Placenta praevia ]
Support Groups :: Complications
Vasa Previa Complications
Placenta Accreta - Ultrasound images and discussion of the conditions.
Maternal and Neonatal Outcome in Major Placenta Previa - Research article, by Tariq Khashoggi, discussing the review of 96 cases of major degree placenta previa managed in Saudi Arabia between 1988 and 1991.
Mommyguide.com's Plaenta Previa Page - Placenta Previa: Description | Incidence of Placenta Previa | Signs and Symptoms | Risk Factors | Diagnosis | Treatment | Outcome | Links
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My Little Angel was Born - A personal story about a second pregnancy in which a diagnoses of placenta previa/placenta accreta was made. How a premature son and the author survived this life threatening condition.
Meta Description: [ PLACENTA PREVIA-PLACENTA ACCRETA-AUTISTIC SPECTRUM DISORDER, PERVASIVE DEVELOPMENTAL DISORDER, PDD, MENTAL HEALTH ISSUES ]
Placenta Previa - The meaning of this diagnosis, and what it could mean for a pregnancy.
Meta Description: [ What does a diagnosis of placenta previa mean to your pregnancy and your baby's health? ]
Placenta Previa (About.com) - Information for patients.
Meta Description: [ What does a diagnosis of placenta previa mean to your pregnancy and your baby's health? ]
Placenta Previa More Common with Birth of Male Babies - Article addresses the findings of a study conducted in Canada.
Meta Description: [ OBGYN.net Headline News page, daily womens health news ]
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