In this study, women will be required to wear a heart rate monitor continuously and collect daily early morning urine samples for the duration of one complete menstrual cycle. This will enable comparisons between data collected from the heart rate monitor and hormone analysis in urine samples to be made.
This pilot study is a prospective observational study of women's heart rate and heart rate variability throughout one complete menstrual cycle. A minimum of 10 volunteers aged 18 years of age or over will be recruited via a variety of methods according to the criteria detailed in section 9. They will be required to wear a heart rate monitor continuously and collect daily early morning urine samples throughout one menstrual cycle. Urine samples will be returned to SPD on a regular basis for measurement of urinary hormones related to pregnancy and fertility. Data collected via the monitor including heart rate and heart rate variability will be downloaded for comparison.
Study Type
OBSERVATIONAL
Enrollment
12
SPD Development Company Ltd.
Bedford, Bedfordshire, United Kingdom
Heart Rate
Heart rate at time points throughout the menstrual cycle
Time frame: 1 month
Heart Rate Variability
Heart rate variability at time points throughout the menstrual cycle
Time frame: 1 month
Day of ovulation
Day of ovulation determined by urinary LH surge +1 day
Time frame: 1 month
Fertile window
Fertile window onset determined by E3G surge
Time frame: 1 month
Fertile window closure
Fertile window closure determined by P3G rise
Time frame: 1 month
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