I feel stiffness below my belly button all the...

what is the treatment of the urinary incotinence for the females ?
the trreatment fot such complain is based upon the main disease ( cause ) but in general in such cases the doctor treats the patient with a recomendation for strength the pelvic floor muscles and will use a natural urine passage cleaner such as cystone or rowatenix and in some case even antibiotics such as nutrofurintine in case of the uti is suspected ( and in case of incontinence there is usually uti infection with it )
what are the possible causes for lower abdominal pain and the urinary incontinence ?

• urinary stones and if you had it once you ll probably will have it again and you should know that most of stones arent detectable by ultrasound 
• uterine prolapes and its a very common cause of female incontinence 
• any type of physiological changes in the female might cause incontinence such as pregnancy and menepause and change in diet and even durin the menstruation in some cases 
• hyperthyroidesm 
• daibetis mellitus 
• emotional stres and anxity 
• cold weather cans cause incontinence in females 

what are the diagnostic tests needed to detect the cause ?
the doctor at first will do a full clinical examination of the patient plus a urine test to rule out infection then he might order an ultrasound for the pevlvic area to check for any precence of cystitis or uterine fibroid ( might give a similar picture ) and look for any possibe casues of inflammation in the area then the bladder cough test when the doctor tells you to cough while watching for any uncontrolled urination during the cough and urodynamic test and cystoscope to check for the bladder frmo inside 
advice ?
we advice you to visit the obs and gyn doctor and in case the doctor suspects something then he ll treatyou or send you to urologist for the right diagnosis and the correct treatment