Acknowledgements
This study was performed at Women and Infants’ Hospital, Providence Rhode Island. A portion of the time spent on the study was supported by the Women & Infant’s Brown University Women’s Reproductive Health Research Scholar program (WRHR) K12 HD050108-04. This research was presented as an oral presentation August 16, 2008 at the 35th Annual Scientific Meeting of the Infectious Diseases Society for Obstetrics and Gynecology, Seattle, Washington.
Declaration of interest
The authors report no conflicts of interest.