ovulation occurs 14 days before your next due period,
safe period is 5days before & 2 days after ovulation,
it means,you had intercourse during unsafe period.
so,be careful & avoid itntercourse during unsafe period &
if,your due date passes,then,do a home pregnancy
confirm whether there is pregnacy or not.
To drink a lot of water &pass urine is good to correct UTI,
it doesn't mean that you are dehydrated.