This is known as Stress Incontinence. The cause can't be diagnosed by Tele-consultation. Please consult with a Gynaecologist in your area. You may need some surgical correction.

Hello welcome madam Good morning This is called stress incontinence This may be due to pelvic floor muscles weakness or some orgonic causes inand around uterus. Mild degree of UTI or PID Mild prolapse of uterus Urethrocele And so on There are some exercises available to improve pelvic floor muscles strength ( phisiotherapy) You need to do some tests before starting exercise

Do urine exam Cystoscopic exam toreveal spincture and bladder Consult to Urologist at your place