There are four main hormones that work in a complex and intricate way during the menstrual cycle and play a key role in fertility.
How the Female Reproductive System Really Works
Luteinizing hormone: What role does LH play in fertility?: Center for Human Reproduction: Infertility Specialists
24.4. Hormonal Control of Human Reproduction – Concepts of Biology – 1st Canadian Edition
Female Reproductive Endocrinology - Gynecology and Obstetrics - Merck Manuals Professional Edition
Menstrual Cycle - Women's Health Issues - Merck Manuals Consumer Version
Hormonal factors that may affect fertility »
Hormonal Control of Human Reproduction
How Your Monthly Cycles Relates to Your Fertility - Fertility Answers
Fertility Testing for Women - How Infertility is Diagnosed
Female Reproductive System - Menstrual Cycle, Hormones and Regulation
Gene linked to excess male hormones in female infertility disorder