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Lab study, 2017

Do physical changes happen before menstruation?

Yes. Before menstruation compared to after, women showed increased perceived stress, faster heart rate, higher blood pressure, weight gain, and slower reaction times.

Early or limited evidence 60 healthy women aged 18-22 years

What they did

The study measured 60 healthy women aged 18-22 during their premenstrual and postmenstrual phases. Researchers recorded heart rate, blood pressure, weight, how quickly they reacted to sounds and images, and their perceived stress level.

What they found

During the premenstrual period compared to after menstruation, women showed increases in perceived stress, pulse rate, blood pressure, weight, auditory reaction time, and visual reaction time.

What it means for you

These findings show that before menstruation, women's bodies show signs of stress and their nervous system works more slowly. Changes might come from hormonal shifts. The study is small and only included young healthy women, so findings may not apply to all women.

60

healthy women studied

18-22

age range in years

About the study

Original title
Analysis of perceived stress, cardiovascular and central nervous system changes before and after menstruation in the age group 18-22 years
Authors
Amita Pardeshi
Journal
International Journal of Research in Medical Sciences
Year
2017
Study design
Lab study
Participants
60
What was tested
None. Researchers measured women during different cycle phases.
Open access
Yes

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