In one survey involving participants from 23 countries, nearly one third of the respondents reported that they had not been told about menarche prior to its occurrence
पण संशोधनावरून असे आढळले की बऱ्‍याच मुलींना पाळी सुरू होण्याआधी पुरेशी माहिती देण्यात आलेली नसते.