 [ Symptoms ] could i be pregnant i usually get my period on the 17th of each month however in dec i was put on antibiotics and my period did not start until the 21st now it is jan 25 and still nothing i feel like i am showing signs of being pregnant but took a test yesterday and got a neg  how long should i wait to take another test could i be pregnant or is something else wrong [ Disease ] from being so anxious about your period being late delays it a bit more since your ept came out negative you can relax for a week or so being placed on the antibiotics have an affect on menses if you have not gotten it by today is date then by all means go to a gynocologist   that doctor will take tests with an exam to determine what is going on