Velez Edwards, D R <br/><br/>
First-trimester bleeding characteristics associate with increased risk of preterm birth: data from a prospective pregnancy cohort.  [electronic resource] 

 -  Human reproduction (Oxford, England)  Jan 2012 
 - 54-60 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>1460-2350 
<br/><br/><label>Standard No.: </label>10.1093/humrep/der354  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Adult<br/>Cohort Studies<br/>Female<br/>Hemorrhage<br/>Humans<br/>Odds Ratio<br/>Pregnancy<br/>Pregnancy Trimester, First<br/>Premature Birth--etiology<br/>Prospective Studies<br/>Regression Analysis<br/>Risk<br/>Ultrasonography, Prenatal