30 days after giving birth, always feel that there is urine and not much urine, consider the uterus pressure bladder caused by contractile function decline, urethral contractile function decline, urinary tract infection, and so on. 1. Decreased contractile function due to uterine compression of the bladder: the uterus will compress the bladder during late pregnancy, and if the compression is long and severe, it will lead to decreased contractile function of the bladder and frequent urination symptoms. 2. Decrease in urethral contraction function: If a woman is a normal delivery, the process of normal delivery will affect the local muscles, which will cause a decrease in urethral contraction function, causing frequent urination symptoms. 3. Urinary tract infection: the female body will be weaker after delivery, immunity will also be reduced, if you do not pay attention to personal hygiene, there will be urinary tract infection, there will also be frequent urination, urinary symptoms. 30 days after the birth of the old feeling of urine and urine, there may be other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.