In a recent update, patients under one year showed as <1Y on the patient card. In this release, this will be reverted and improved on Web, and is also available on iPad. Patients under one year now show a precise age:

Days shown as (d) if under 14 days

Weeks shown as (w) from 2 to under 16 weeks

Months shown as (m) from 4 to under 12 months