1. 
   placenta previa
   [n] - pregnancy in which the placenta is implanted in the lower part of the uterus (instead of the upper part)
   Found op http://www.webdictionary.co.uk/definition.php?query=placenta%20previa
   
   
2. 
   placenta previa
   <obstetrics> The anatomic positioning of the placenta over the cervical os (opening to the birth canal). This is an important cause of painless third trimester bleeding in the pregnant female. Many cases of placenta previa will require cesarean section delivery. ... (31 Dec 1997) ...
   Found op http://www.mondofacto.com/facts/dictionary?placenta+previa
   
   
3. 
   placenta previa
   noun pregnancy in which the placenta is implanted in the lower part of the uterus (instead of the upper part); can cause bleeding late in pregnancy; delivery by cesarean section may be necessary
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=placenta%20previa
   
   
4. 
   placenta previa
   (plә-sen´tә pre´ve-ә) low implantation of the placenta so that it partially or completely covers the internal ostium of the uterus; this occurs more often in women who have had multiple pregnancies or are over 35. The exact cause is not known. With the onset of any contractions a...
   Found op http://www.encyclo.co.uk/local/21001
   
   
5. 
   placenta previa
   Type: Term Definitions: 1. the condition in which the placenta is implanted in the lower segment of the uterus, extending to the margin of the internal os of the uterus or partially or completely obstructing the os. Synonyms: placental presentation
   Found op http://www.medilexicon.com/medicaldictionary.php?t=69217
   
   
6. 
   Placenta Previa
   A complication found in some pregnancies in which the placenta implants fully or partially over the cervix. In most pregnancies, the placenta implants itself in the upper portion of the uterus. However, placenta previa occurs when the placenta implants itself over all or some of the cervix. This usu...
   Found op http://www.pregnology.com/AZ/P/5
   
   

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