Contributors: Juan Pablo Del Río, Hugo Soto, Patricio Contreras, Álvaro Becerra, Camila Contreras-Rojo, Manuel E. Cortés, Pilar Vigil Summary: Irregular menstrual cycles are common in adolescents and young women and are frequently the first sign of an underlying hormonal imbalance. In this study, 251 Chilean women aged 12 to 35 years who presented with ovulatory…
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