I had a baby almost.8 weeks ago and was told I had a uti before I left the hospital and was given antibiotics which I finished all of and today went for a physical for work and was told I have a uti? No symptoms then or now and I jave only had sex once since having tje baby ive always wiped front to back I wear.cotton underware I dont know wjats causing them and why I do.t jave symptoms could it be.something more?