On average, during the last Y, how many D were there in a typical menstrual cycle, that is, from the beginning of bleeding of one menstrual period to the beginning of bleeding of the next period
on average, during the last y, how many d were there in a typical menstrual cycle, that is, from the beginning of bleeding of one menstrual period to the beginning of bleeding of the next period
On average, during the last year, how many day were there in a typical menstrual cycle, that is, from the beginning of bleeding of one menstrual period to the beginning of bleeding of the next period
on average, during the last year, how many day were there in a typical menstrual cycle, that is, from the beginning of bleeding of one menstrual period to the beginning of bleeding of the next period