Published on in Vol 19, No 10 (2017): October
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/8164, first published
.
![Discovering Cohorts of Pregnant Women From Social Media for Safety Surveillance and Analysis Discovering Cohorts of Pregnant Women From Social Media for Safety Surveillance and Analysis](https://asset.jmir.pub/assets/d47a31311f5627a0c444f4b711422a98.jpg 480w,https://asset.jmir.pub/assets/d47a31311f5627a0c444f4b711422a98.jpg 960w,https://asset.jmir.pub/assets/d47a31311f5627a0c444f4b711422a98.jpg 1920w,https://asset.jmir.pub/assets/d47a31311f5627a0c444f4b711422a98.jpg 2500w)
1 Department of Biostatistics, Epidemiology and Informatics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States
2 Department of Biomedical Informatics, Arizona State University, Scottsdale, AZ, United States