Experimental: The patients will do pelvic floor exercises and acupuncture

The patients will perform pelvic floor exercises and acupuncture 3 times per week for 12 weeks

Experimental: The patient will do pelvic floor exercises

The patient will perform pelvic floor exercises 3 times per week for 12 weeks. pelvic floor muscles exercises involves repetitive contraction and relaxation of the pelvic floor muscles in an attempt to strengthen the muscles .~Each training session involved three training rounds and each round lasted for five minutes. Women will be instructed to perform PFMC and rest with 10min break between each round. They will be instructed to perform two to three sets of PFE repetitions per day, with 8-10 PFMC lasting for 10 s each set. All women will be asked to document their practice of PFE in PFE diary to assess their compliance.