The average age of menarche is between 9 to 14 years of age. Menarche is considered a normal milestone of every female's life. This period is supposed like a special period of every girl's life because in this stage girl is converted to the woman's age. Menarche is the indicator sign of a female that is ready to take part in reproduction activity. Objective:To determine the attributes of menstruation among young physical therapy female students of Karachi. Methods: This cross-sectional study was done among 385 young physical therapy female students in Karachi-Pakistan to reveal the age, duration, symptoms, and length of the menstruation cycle. The duration of the study was between June to November 2023. A non-probability purposive sampling technique was used. The validated questionnaire was used from a previous study done in 2016. Data were analyzed through SPSS version 23.0 software. Results: A total number of 385 young females was included in this study. The mean age of menarche revealed 187 (48.57%) found between 11 to 13 years. The regularity of menses was found in 299 (77.66%)participants. The average days of menstruation flow were about 6 to 8 days in 218 (56.62%) of research participants. The average length of the menstrual cycle was 21 to 35 days in 221 (57.40%) while the most common symptom found in research participants was lower abdominal pain in 187 (48.57%). Conclusions:There were significant differences between the characteristics of every young female related to the pattern, duration, age, regularity, and cycle length of the menstrual cycle.