Estrogen is an important ovarian sex hormones managing menstrual function ” data-large-file=”” src=”” alt=”Average cycle size and variability in numerous Body mass index categories of AWHS” width=”700″ height=”583″ srcset=” 1024w, 300w, 150w, 768w, 1536w, 2048w, 500w, 750w” sizes=”(max-width: 700px) 100vw, [...]