1. Physiological changes before labor Before a pregnant woman is about to give birth, her body will undergo a series of physiological changes. Begins to shrink in preparation for the arrival of new life. At this time, pregnant women may feel abdominal discomfort, labor pains and other symptoms, which are normal prepartum symptoms. 2. Mood swings As delivery approaches, pregnant women will experience mood swings. Due to physical and psychological changes, pregnant women may feel nervous, anxious, fearful and other emotions. At this time, family members should provide care and support to help her through this stage. 3. Labor pains As uterine contractions strengthen and increase in frequency, pregnant women may feel labor pains. Pregnant women giving birth for the first time often do not