hello abdominal cramps with other symptoms like nausea, fatigue, headache, sore breasts can indicate early pregnancy in a women with delayed periods but these symptoms r not specific in pregnancy, they can occur in other conditions also I would also like to know whether ur periods were delayed this time or not u have not mentioned ur last periods ur visit to emergency room ur upt negative & u were diagnosed with constipation & bacteria infection. my advice 1) if ur periods r not delayed & r normal flow, u r not pregnant & ur symptoms r probably due to to constipation or urinary tract infection 2) if u r also having delayed periods u should repeat upt after 5 to 7 days with first morning urine sample. in case of doubt bhcg or ultrasound can be of help hope this would answer all your queries