Been having pms symptoms period 2 days late feeling nausea peeing a lot never had sex no said sperm near or in vag not been eating much why no period?

Dr. can check urine: Pregnancy is the most common cause of a missed period. If not pregnant, other causes of a late or missed period include: excessive weight loss or weight gain, increased exercising, emotional stress, having an illness, traveling, medicines (especially birth control pills), hormonal disorders, etc… a visit to one's doctor is a good idea if symptoms are persistent or worrisome. Dr. Can check urine.