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ClinicalTrials.gov Identifier: NCT04065464
Recruitment Status :
Active, not recruiting
First Posted : August 22, 2019
Last Update Posted : September 2, 2019
Center for Epidemiology and Health Research, Germany
Information provided by (Responsible Party):
Clare Barnett, MBBS (Hons) MPH, Center for Epidemiology and Health Research, Germany
The primary aim of the pilot study is to collect data for the fine-tuning and evaluation of the Ava algorithm. Secondary outcomes are the estimation of the accuracy in detecting the fertility status of each cycle day.
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Layout table for eligibility information
Ages Eligible for Study:
18 Years to 40 Years (Adult)
Sexes Eligible for Study:
All women aged 18 to 40 years matching the eligibility criteria can be enrolled in the pilot study.
Aged between 18 and 40 at the time of admission
Not pregnant and no pregnancy wish during the pilot study period
Have a regular sleep pattern (sleep at least four hours per night and not working nightshift)
Have regular menstrual cycles
Pregnant at study admission
Currently breastfeeding or have breastfed in the past 6 months before study admission
Currently using hormonal contraception or hormonal medication
Health-related conditions that may affect menstrual cycle length and variability (e.g. PCOS, menopause, thyroid dysfunction)
Unable to understand study instructions and/or not able to understand English or German
More than one international overseas travel per month