tests being positive and absence of menses is one of the sure signs of pregnancy, which can be confirmed by Ultrasonography
There are ccertain changes in body of females during pregnancy which leads to some peculiar diseases like UTI, vomiting
UTI can be cured by rigorous antibiotic treatment, dosage and component of which can be ascertained by your Urine culture test reports.
hope my info helped you
Dr Hari Om Chandrakar