Hey, I'm 17 years old and I'm a senior in high school me and my boyfriend have been together for a year and a month. we tried for a month to get me pregnant because we both want a baby and now my period is 25 days late. i took a home pregnancy test but its says negative my mother says i may need a blood test because my body is so weird it might not show up on a pee test and plus on top of that in the past i had a history of having weird periods and i have cramping, tender breast and i get really tired throughout the day and i also have vaginitis please help me is the infection the reason i dont heva a period is my body off why dont i have one or does it sound like im pregnant?