Representation of a typical 28-day ovulatory menstrual cycle

File:Hormones estradiol, progesterone, LH and FSH during menstrual cycle.png - Wikipedia

Negin SATTARI, University of California, Irvine, CA, UCI, Cognitive Science Department

Harold JAVITZ, Ph.D. Statistics, Univ of Calif at Berkeley, SRI International, CA, SRI, Centre for Health Sciences

File:Follicle-stimulating hormone (FSH) during menstrual cycle.png - Wikipedia

Sara MEDNICK, PhD, University of California, Irvine, CA, UCI, Department of Cognitive Sciences

Menstrual Cycle 101 — Gina Nelson MD, Obstetrics and Gynecology

Massimiliano DE ZAMBOTTI, Principal Investigator, PhD, SRI International, CA, SRI, Division of SRI Biosciences

Medicina, Free Full-Text

Katharine SIMON, The University of Arizona, Arizona, UA, Department of Psychology