Don't know if am pregnant or not. i had an iu test last month and this month my period is not seen. i have done test twice is negative my breast bigge?

Tests are accurate: Symptoms such as nausea (with or without vomiting), some fatigue (feeling less energetic), a sharper/stronger sense of smell, mild soreness/swelling of the breasts, and maybe some food aversions and cravings, can happen with other conditions, not just with pregnancy. However, if the pregnancy test was done less than 2 weeks after possible conception, a woman can repeat the test a week later.