39 weeks my stomach contracts and minute later release with a feelin as if your going to urinate?

It sounds like you might be experiencing Braxton Hicks contractions, which are common in late pregnancy and often described as "practice" contractions. These can sometimes be accompanied by a sensation of pressure that might feel like the urge to urinate. However, if the contractions become regular, increase in intensity, or are accompanied by other symptoms, it's important to consult your healthcare provider to rule out any complications. Always prioritize your comfort and well-being during this stage of pregnancy.