Hello dear Understand your concern But sometime pregnancy kit give false result so repeat after 7 days to confirm or you can do blood HCG level that is very specific than UPT. Following are the reason for late periods with spotting: 1. High level of stress 2. Change in life style 3. Late ovulation 4. Excessive exercise 5. Drugs: Birth control pills, tyroid medication, Excessive tea and caffeine 6. Thyroid problem 7. Hormonal imbalane 8. Endometriosis, adenomyosis, fibroid 9. Cervical dysplasia Do regular walking and exercise. Eat healthy diet Eat fruits like papaya, orange and pomengranate Also note that Menstruation required co ordinate action of various hormone that secreted by ovary (estrogen and progesterone) and brain (FSH and LH). If any above hormone is decreased or increased there is imbalance in menstruation. So please do full hormonal profile : Estrogen, progestron, LH, FSH, HCG and thyroid hormone. That help to diagnose hormonal imbalance. After confirmation you can take treatment according So please go ahead. Hope this may help you All the best. Stay healthy.