“…Several studies have suggested that the mean age of menarche has declined over the last few decades in developed (Fredriks et al, ; McDowell, Brody, & Hughes, ; Mendoza et al, ; Morris, Jones, Schoemaker, Ashworth, & Swerdlow, ; O'Connell, Gavin, Kelly, Molcho, & Nic Gabhainn, ) and developing (Jones, Griffiths, Norris, Pettifor, & Cameron, ; Loukid, Baali, & Hilali, ; Mao et al, ; Pathak, Tripathi, & Subramanian, ; Silva & Padez, ) countries. This has several public health implications because early onset of menarche has been linked to many disease conditions such as metabolic syndrome (Pathak et al, ), obesity (Bralić et al, ), type 2 diabetes(Dreyfus et al, ), ischemic heart disease and stroke (Jacobsen, Oda, Knutsen, & Fraser, ), depression (Stice, Presnell, & Bearman, ), eating disorders (Abraham, Boyd, Lal, Luscombe, & Taylor, ), breast cancer (Kotsopoulos et al, ), ovarian cancer (Jordan, Webb, & Green, ), endometrial cancer (Ali, ; Brinton et al, ), and overall mortality (Jacobsen, Heuch, & Kvale, ).…”