Age 49 and spotting for 3 weeks with no real period. negative pregnancy test. moodiness and emotional

Tests are accurate: In a woman with regular periods, causes of a late period include: excessive weight loss or gain, increased exercising, emotional stress, having an illness, traveling, medicines (like birth control pills), hormonal imbalances, perimenopause, etc… Seeing a doctor is a good idea if symptoms are persistent, recurring, or worrisome. Home urine tests are very accurate by three (3) weeks after sex.