Early pregnancy refers to the period from the first week to the twelfth week of pregnancy. In the early pregnancy, pregnant women will have strong symptoms, and pregnant women will begin to have early pregnancy reactions: fatigue, fatigue, backache, drowsiness, loss of appetite, nausea, vomiting and so on. Be careful not to exercise vigorously in the first trimester; Pay attention to personal hygiene, take a bath frequently and change underwear frequently; Dress appropriately, keep soft and wide, don't gird your waist, don't wear tight pants, and don't wear high heels; Unable to use drugs at will; Do a good job of inspection.