this study will investigate effect of hip strengthening exercises and pelvic floor exercises on stress urinary incontinence in postnatal women. Clinical practice guidelines recommend PFMT as the first-line treatment for female SUI . Also, it has been speculated that the hip muscles are involved in the continence mechanism and that their deficiency could destabilize the normal function of the system. The addition of hip muscle exercises, regardless of PFM contractions, aimed to improve muscular condition for the motor or synergic strategies in PFM contraction. Secondary effects of these techniques, such as the influence of passive lumbar rotational mobilization in improving hip flexor strength, have been of high interest in physiotherapy in general

Inclusion Criteria:

1. Their ages will be ranged from 30 to 35 years old.
2. Their BMI will not exceed 35 Kg/m2.
3. All patients will be multipara women.
4. Their deliveries were normal vaginal delivery.
5. All patients will be diagnosed by gynecologist as mild or moderate degree of SUI.
6. All patients will have the same medical treatment and free from any pathological conditions that might affect the result.

Exclusion Criteria:

1. Recurrent urinary tract infections.
2. Hypertension.
3. Diabetes mellitus.
4. Intra uterine device.
5. Hysterectomy.

stress urinary incomitance post-natal common problem in multiparas' females due to the effect of pregnancy hormones and increase intra-abdominal pressure during pregnancy also normal vaginal delivery increase the weakness of pelvic floor muscles.