The precautions to be taken in the second trimester mainly include resting more, strengthening nutrition, and taking pregnancy tests on time. 1. Rest: Because the uterus increases significantly in the second trimester and presses on the pelvis, pregnant women are prone to stomach pain and a feeling of falling, so it is recommended that pregnant women rest more to avoid aggravation of symptoms due to prolonged standing and walking, or even inducing contractions. 2. Enhance nutrition: Due to the continuous growth and development of the fetus, pregnant women in the second trimester of pregnancy should consume enough nutrients to meet the needs of the fetus, so they should enhance nutrition by eating more green vegetables, meat and other foods. 3. On-time pregnancy checkups: In the second trimester, pregnant women should appropriately increase the number of pregnancy checkups, and follow the doctor’s instructions for on-time checkups. It is recommended that pregnant women in the second trimester to maintain a happy mood, pay attention to the number of fetal movements. If the number of fetal movements in the second trimester deviates significantly from the normal range, accompanied by abdominal pain, vaginal bleeding and other symptoms, it is recommended to consult a doctor in a timely manner, under the guidance of the doctor to improve the relevant examinations, to clarify the cause of the disease, and symptomatic treatment.