prolonged period during perimenopause
For most women in their 30s, menstrual periods are highly predictable. With the onset of the menopausal transition in their 40s, women's menstrual periods can change dramatically. ANN ARBORâWomen going through menopause most likely think of it as the time for an end to predictable monthly periods.pecifically, the research found that it is not uncommon for women to have prolonged bleeding of 10 or more days, spotting for six or more days and/or heavy bleeding for three or more days during the transition.