Medical Editor: Jay W. Marks, MD. A couple of years ago an episode of the popular TV series Grey's Anatomy featured a woman with two uteruses (or uteri). This unusual condition does, in fact, occur as a result of abnormal fetal development.
Currently, EpiPens expire 18 months from date of manufacturing. Facing criticism for the drug's rapidly rising price, Bresch said the company hopes the expiration date can be extended to a minimum of 24 months.
Each frequent flyer program has slightly different rules for when their miles expire. For some international airlines, itâs a hard 3-year expiration. For most programs in the US, accounts expire after 18 months of dormancy. This means that if you let your account sit for 18 months, and neither earn nor redeem a mile, youâll lose them. And this seems to take people by surprise pretty frequently.