Menstrual cycle and calf muscle properties in women
Part of Bones, joints & muscles, Women’s health & pregnancy clinical trials.
This study looks at how the menstrual cycle affects the calf muscles in women. It compares women with natural cycles and those taking birth control pills, both active and sedentary.
Summary written for real people, not researchers, by Clin2.
Who can take part
- Be between 18 and 40 years old (implied by menstrual cycle criteria)
- Have a body mass index (BMI) between 20 and 25
- Have normal ankle function without pain or injury
- Be fully vaccinated against COVID-19
- Either be physically active (exercise 3+ times/week for 6 months) or sedentary (no regular exercise for 6 months)
- For natural cycle group: regular periods every 21-35 days, no hormonal birth control for 6 months. For birth control group: on the pill (combined estrogen-progesterone) for at least 6 months
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
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