What are the health management records of key populations?

0-6-year-old children's health examination records, early pregnancy, middle and late pregnancy health management content, etc. The elderly, pregnant women, children and patients with chronic basic diseases are the key groups of medical services. Health management records of key populations include health examination records of children aged 0-6 years, health management contents of first trimester, second trimester and third trimester, health management records of diabetic patients and health management records of the elderly. A recording table is a table that converts one or more time-varying variables or another variable into recognizable and readable signals.