Hjollund, N H <br/><br/>
Spontaneous abortion and physical strain around implantation: a follow-up study of first-pregnancy planners.  [electronic resource] 

 -  Epidemiology (Cambridge, Mass.)  Jan 2000 
 - 18-23 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>1044-3983 
<br/><br/><label>Standard No.: </label>10.1097/00001648-200001000-00006  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Abortion, Spontaneous--epidemiology<br/>Adult<br/>Embryo Implantation<br/>Exercise<br/>Family Planning Services<br/>Female<br/>Follow-Up Studies<br/>Humans<br/>Incidence<br/>Pregnancy<br/>Pregnancy Outcome<br/>Pregnancy Trimester, First<br/>Prospective Studies<br/>Risk Factors