| resolve.org | Resolve |
| socrei.org | Society for Reproductive Endocrinology and Infertility |
| inciid.org | International Council on Infertility Information Dissemination, Inc. |
| americaninfertility.org | American Infertility Association |
| inhibin.com | Inhibins and Activins- Research, Applications, Products |
| utah.edu | Human Reproduction: Clinical, Pathologic and Pharmacologic Correlations |
| bertarelli.edu | The Beratrelli Foundation: The Human Face of Infertility |
| ivf.com | Georgia Reproductive Specialists |
| asrmshopping.org | ASRM Store |
| menopause.org | North American Menopause Society (NAMS) |
132850