Incontinence after pregnancy and child birth is common issue because it weakens the muscles around the pelvic floor and causes a problem with bladder function that causes a sudden urge to urinate.
To strengthen the muscles around your bladder and bowel you need to regularly do pelvic floor exercises. Doing it regularly and correctly will tighten the pelvic muscles and you will surely notice some improvement in few weeks .
It is very safe to do pelvic floor exercises during your pregnancy or if your planning for pregnancy because that will lower the risk of incontinence before and after childbirth.