text: 2-3 days before my period i feel like i have a slight baldder infection,does anyone experience this? 2-3 days before i start it feels like a slight bladder infection coming on then after i start it goes away. usually thats how i know im about to start my monthly cycle.i brought this up to my doctor and she didnt have anything to say except drink more water? yes, your uterus is being pulled down from the weight of you lining that's about to shed. it puts pressure on your bladder:p it goes away about a day to 2 days into your period.