Background: Stress play an important role in causing irregular menstrual periods. When level of stress is high, there is chance that menstrual cycle will irregular. The current study aim is (i) The stress impact on menstruation among young adolescent females during COVID-19 lockdown. (ii) Correlation between lockdown perceived stress and menstruation among young adolescent female in India. Methods: Conducted online survey by google form named “Menstruation/Period and Lockdown Perceived Stress” total 18 questions in this survey. On this survey we use self-report inventory related to menstruation and perceived Stress.510 young adolescent female filled questions related to menstruation and perceived stress keeping in mind the menstrual period of the previous two months (April and May,2020). Findings: On this online survey 36.86% young adolescent female reported that her menstrual cycle is irregular, 22.94% young adolescent female suffering more abdominal pain, 47.26% young adolescent female reported that there sleeping pattern change, 45.49% female’s eating pattern change, 37.05% female’s blood flow change. 29.8% young adolescent female menstrual cycle days changed. 38.82% young adolescent female says menstrual period was painful during lockdown. 17.65% young adolescent female falls in low perceived stress level, 71.37% in moderate stress level and 10.98% in high stress level. Interpretation: Stress is more affected menstrual cycle pattern. Positive correlation between lockdown stress and menstruation, as stress level increase, menstrual pattern changes and temporarily relapse. Recommendation: Stress affected menstrual cycle pattern and health. Conduct workshop session to reduce stress level among female. large sample size use for future study.