Figure 2
From: The female menstrual cycle does not influence testosterone concentrations in male partners
Inclusion/exclusion flow chart. Flow chart of the number of initially volunteering couples and the inclusion/exclusion process. Out of the 48 couples that answered the questionnaire, 30 were finally included in the study. One couple were excluded after data collection because of difficulties in determining the ovulation date, leaving 29 couples to be included in the analyses.