Charlton, Brittany M <br/><br/>
Maternal use of oral contraceptives and risk of birth defects in Denmark: prospective, nationwide cohort study.  [electronic resource] 

 -  BMJ (Clinical research ed.)  Jan 2016 
 - h6712 p.  digital 
<br/><br/> Publication Type: Journal Article; Observational Study; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>1756-1833 
<br/><br/><label>Standard No.: </label>10.1136/bmj.h6712  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Abnormalities, Drug-Induced--epidemiology<br/>Adolescent<br/>Adult<br/>Contraceptives, Oral--adverse effects<br/>Denmark--epidemiology<br/>Female<br/>Humans<br/>Maternal Age<br/>Middle Aged<br/>Pregnancy<br/>Pregnancy Outcome<br/>Prevalence<br/>Prospective Studies<br/>Risk Factors<br/>Young Adult