Iam 27yrs old women married for 3yrs now, wen ever we get intimated next day itself uti will occur why does this happens to me, my frnds and collegues are not used to it y does this uti happens only to me, now iam on fertility treatment but doctor asked me not to wash after the act, if i didnt washed on time mean it will lead to uti iam really fed up with this, i tried everything like before the act pass urine and all tat but still iam facing it wat to do even doctor asked me not to take any antibiotics while on treatment please do help