Aitken, R. J., P. Koopman, and S. E. M. Lewis. 2004. Seeds of Concern. Nature 432: 48–52.
Albers, L. L. 1999. The Duration of Labor in Healthy Women. J Perinatol 19: 114–119.
Alliende, M. E. 2002. Mean Versus Individual Hormonal Profiles in the Menstrual Cycle. Fertil Steril 78: 90–95.
Allsworth, J. E., J. Clarke, J. F. Peipert, M. R. Hebert, A. Cooper, and L. A. Boardman. 2007. The Influence of Stress on the Menstrual Cycle Among Newly Incarcerated Women. Wom Health Iss 17: 202–209.
Altmann, J., and A. Samuels. 1992. Costs of Maternal Care: Infant-carrying in Baboons. Behav Ecol Sociobiol 29: 391–398.
Anderson, J. W., B. M. Johnstone, and D. T. Remley. 1999. Breast-feeding and Cognitive Development: A Meta-analysis. Am J Clin Nutr 70: 525–535.
Anderson, K. G. 2006. How Well Does Paternity Confidence Match Actual Paternity? Curr Anthropol 47: 513–520.
Anderson, M. J., and A. F. Dixson. 2002. Motility and the Midpiece in Primates. Nature 416: 496.
Anderson, M. J., J. Nyholt, and A. F. Dixson. 2005. Sperm Competition and the Evolution of Sperm Midpiece Volume in Mammals. J Zool Lond 267: 135–142.
Andrade, A. T. L., J. P. Souza, S. T. Shaw, E. M. Belsey, and P. J. Rowe. 1991. Menstrual Blood Loss and Iron Stores in Brazilian Women. Contraception 43: 241–249.
Auger, J., J. M. Kunstmann, F. Gzyglik, and P. Jouannet. 1995. Decline in Semen Quality Among Fertile Men in Paris During the Past Twenty Years. New Engl J Med 332: 281–285.
Backe, B. 1991. A Circadian Variation in the Observed Duration of Labor. Acta Obstet Gynecol Scand 70: 465–468.
Baker, T. G. 1963. A Quantitative and Cytological Study of Germ Cells in Human Ovaries. Proc R Soc Lond B Biol Sci 158: 417–433.
Ben Shaul, D. M. 1962. The Composition of the Milk of Wild Animals. Int Zoo Yearb 4: 333–342.
Benshoof, L., and R. Thornhill. 1979. The Evolution of Monogamy and Concealed Ovulation in Humans. J Soc Biol Struct 2: 95–106.
Bergsjø, P., D. W. Denman, H. J. Hofman, and O. Meirik. 1990. Duration of Human Singleton Pregnancy: A Population-Based Study. Acta Obstet Gynecol Scand 69: 197–207.
Bernier, M. O., G. Plu-Bureau, N. Bossard, L. Ayzac, and J. C. Thalabard. 2000. Breastfeeding and Risk of Breast Cancer: A Meta-analysis of Published Studies. Hum Reprod Update 6: 374–386.
Bielert, C., and J. G. Vandenbergh. 1981. Seasonal Influences on Births and Male Sex Skin Coloration in Rhesus Monkeys (Macaca mulatta) in the Southern Hemisphere. J Reprod Fertil 62: 229–233.
Billings, J. J. 1981. Cervical Mucus: The Biological Marker of Fertility and Infertility. Int J Fertil 26: 182–195.
Birch, E. E., S. Garfield, D. R. Hofman, R. Uauy, and D. G. Birch. 2000. A Randomized Controlled Trial of Early Dietary Supply of Long-Chain Polyunsaturated Fatty Acids and Mental Development in Term Infants. Dev Med Child Neurol 42: 174–181.
Bogin, B. 1997. Evolutionary Hypotheses for Human Childhood. Yearb Phys Anthropol 40: 63–89.
Boklage, C. E. 1990. Survival Probability of Human Conceptions from Fertilisation to Term. Int J Fertil 35: 75–94.
Bonde, J. P., E. Ernst, T. K. Jensen, N. H. Hjollund, H. Kolstad, T. B. Henriksen, T. Scheike, A. Giwercman, J. Olsen, and N. E. Skakkebaek. 1998. Relation Between Semen Quality and Fertility: A Population-Based Study of 430 First-Pregnancy Planners. Lancet 352: 1172–1177.
Bostofte, E., J. Serup, and H. Rebbe. 1982. Relation Between Sperm Count and Semen Volume, and Pregnancies Obtained During a Twenty– Year Follow-Up Period. Int J Androl 5: 267–275.
Bovens, L. 2006. The Rhythm Method and Embryonic Death. J Med Ethics 32: 355–356.
Boyle, P., S. N. Kaye, and A. G. Robertson. 1987. Changes in Testicular Cancer in Scotland. Eur J Cancer Clin Oncol 23: 827–830.
Bronson, F. H. 1995. Seasonal Variation in Human Reproduction: Environmental Factors. Quart Rev Biol 70: 141–164.
Brophy, J. T., M. M. Keith, A. Watterson, R. Park, M. Gilbertson, E. Maticka-Tyndale, M. Beck, H. Abu-Zahra, K. Schneider, A. Reinhartz, R. DeMatteo, and I. Luginaah. 2012. Breast Cancer Risk in Relation to Occupations with Exposure to Carcinogens and Endocrine Disruptors: A Canadian Case-Control Study. Environm Health 11, 87.
Brosens, J. J., M. G. Parker, A. McIndoe, R. Pijnenborg, and I. A. Brosens. 2009. A Role for Menstruation in Preconditioning the Uterus for Successful Pregnancy. Am J Obstet Gynecol 200 (6): 615.e1–6.
Brown, J. E., E. S. Kahn, and T. J. Hartman. 1997. Profet, Profits, and Proof: Do Nausea and Vomiting of Early Pregnancy Protect Women from “Harmful” Vegetables? Am J Obstet Gynecol 176: 179–181.
Brummelte, S., and L. A. M. Galea. 2010. Depression During Pregnancy and Postpartum: Contribution of Stress and Ovarian Hormones. Prog Neuro-Psychopharmacol Biol Psychiatry 34: 766–776.
Buckley, S. J. 2006. Placenta Rituals and Folklore from Around the World. Midwifery Today Int Midwife 80: 58–59.
Bujan, L., M. Daudin, J.-P. Charlet, P. Thonneau, and R. Mieusset. 2000. Increase in Scrotal Temperature in Car Drivers. Hum Reprod 15: 1355–1357.
Burley, N. 1979. The Evolution of Concealed Ovulation. Am Nat 114: 835–858. Burr, M. L., E. S. Limb, M. J. Maguire, L. Amarah, B. A. Eldridge, J. C. Layzell, and T. G. Merrett. 1993. Infant Feeding, Wheezing, and Allergy: A Prospective Study. Arch Dis Childh 68: 724–728.
Byard, R. W., M. Makrides, M. Need, M. A. Neumann, and R. A. Gibson. 1995. Sudden Infant Death Syndrome: Efect of Breast and Formula Feeding on Frontal Cortex and Brainstem Lipid Composition. J Paediatr Child Health 31: 14–16.
Cancho-Candela, R., J. M. Andres-de Llano, and J. Ardura-Fernandez. 2007. Decline and Loss of Birth Seasonality in Spain: Analysis of 33 421 731 Births over 60 Years. J Epidemiol Commun Health 61: 713–718.
Carlsen, E., A. Giwercman, N. Keiding, and N. E. Skakkebaek. 1992. Evidence for Decreasing Quality of Semen During Past 50 Years. Brit Med J 305: 609–613.
Carnahan, S. J., and M. I. Jensen-Seaman. 2008. Hominoid Seminal Protein Evolution and Ancestral Mating Behavior. Am J Primatol 70: 939–948.
Caro, T. M. 1987. Human Breasts, Unsupported Hypotheses Reviewed. Hum Evol 2: 271–282.
Carpenter, C. R. 1942a. Sexual Behavior of Free Ranging Rhesus Monkeys (Macaca mulatta). I. Specimens, Procedures and Behavior Characteristics of Estrus. J Comp Psychol 33: 113–142.