2007, Sisir K Chattopadhyay, Chhaya Chattopadhyay, & Bijoy Sree Sengupta, "Polycystic Ovarian Syndrome", in Gynaecology for Postgraduates and Practitioners (eds. Bijoy Sree Sengupta, Sisir K Chattopadhyay, & Thankam R. Varma), Elsevier (2007), , page 118:An analysis of 101,073 women in the Nurses' Health Study II reported that over an 8-year period, the conversion rate to type 2 diabetes amongst oligomenorrhoeic women was approximately twice than that for eumenorrhoeic women, regardless of whether the oligomenorrhoeic women are obese or lean, indicating that oligomenorrhoea was an independent predicator of type 2 diabetes.
2009, Adrianne E. Hardman & David J. Stensel, Physical Activity and Health: The Evidence Explained, Routledge (2009), , page 261:By contrast, women distance runners with long-term amenorrhoea show reduced bone formation, compared with eumenorrhoeic runners or age-matched sedentary eumenorrhoeic women (Zanker and Swaine 1998).
2009, B. Yates, "The painful foot", in Merriman's Assessment of the Lower Limb (ed. Ben Yates), Churchhill Livingstone Elsevier (2009), , page 481:Menstrual irregularities increases the risk for stress fracture between two and four times compared with eumenorrhoeic females (Brukner & Bennell 2001).
