1. Increased frequency of urination: More than ten days after delivery, as the fetal part descends to the pelvis, the fundus of the uterus also descends. However, due to pressure on the bladder, the bladder\’s urine storage capacity decreases and the frequency of urination increases. 2. Regular contractions: The contractions were irregular at first, but gradually turned into regular contractions, and the contraction force became stronger and stronger. As labor progresses, uterine contractions continue