Dr. Leah Rethy is an internal medicine resident with Penn Medicine. Kimberly Paynter/WHYY hide caption toggle caption Kimberly Paynter/WHYY Dr. Leah Rethy is an internal medicine resident with Penn Medicine. Kimberly Paynter/WHYY Dr. Leah Rethy was pregnant during the first year of her internal medicine residency at the Hospital of […]