in case of urinary tract infection
can little bit of blood can be seen in urine,
but now the important thing is ruling out leaking of meconium stained liquor,
in case of stressful conditions baby releases meconium, when leaking of liquor is there it can come out, urinary infection can cause premature uterine action, as all these things are interrelated, better you consult your doctor as early as possible to rule out premature rupture of membranes
with leak of meconium stained liquor as that can affect the well being of the baby.