The hormone estrogen is a vital ovarian sex hormone regulating menstrual mode ” data-large-file=”” src=”” alt=”Mediocre menstrual period length and variability in numerous Body mass index groups of AWHS” width=”700″ height=”583″ srcset=” 1024w, 300w, 150w, 768w, 1536w, 2048w, 500w, 750w” sizes=”(max-width: 700px) 100vw, 700px” /> Profile cuatro Average menstrual cycle length and you may variability in different Body mass index …