- Vidya Setty-Venugopal and Ushma D. Upadhyay, “Birth Spacing: Three to Five Years Save Lives,” Population Reports L-13 (2002): 1–23; M. Arevalo, V. Jennings, and I. Sinai, “Application of Simple Fertility Awareness-Based Methods of Family Planning to Breastfeeding Women,” Fertility and Sterility 80 (2003): 1241–1248.
- L.J. Heffner, Human Reproduction at a Glance (Malden, MA: Blackwell Science, 2009); M. H. Labbok, V. Nichols-Johnson, and V. Valdes-Anderson, “ABM Clinical Protocol #13: Contraception During Breastfeeding: The Academy of Breastfeeding Medicine Protocol Committee,” Breastfeeding Medicine 1 (2006): 43–80.
- M. Konner, and C. Worthman, “Nursing Frequency, Gonadal Function and Birth Spacing Among !Kung Hunter-Gathers,” Science 207 (1980): 788–791.
- World Health Organization Task Force, “The World Health Organization Multinational Study of Breast-Feeding and Lactational Amenorrhea. III. Pregnancy During Breast-Feeding,” Fertility and Sterility 72 (1999): 431–439; World Health Organization Task Force, “The World Health Organization Multinational Study of Breast-Feeding and Lactational Amenorrhea. IV. Postpartum Bleeding and Lochia in Breast-Feeding Women,” Fertility and Sterility 72 (1999): 441–447.
- V. Valdes et al., “The Efficacy of the Lactational Amenorrhea Method (LAM) Among Working Women,” Contraception 62 (2000): 217–219.
- Arevalo, Jennings, and Sinai, “Application of Simple Fertility Awareness-Based Methods,” 1241–1248; A.E. Peterson et al., “Multicenter Study of the Lactational Amenorrhea Method (LAM) III: Effectiveness, Duration, and Satisfaction with Reduced Client-Provider Contact,” Contraception 62 (2000): 221–230; M.H. Labbok et al., “Multicenter Study of the Lactational Amenorrhea Method (LAM): I. Efficacy, Duration, and Implications for Clinical Applications” Contraception 55 (1999): 327–336; K.G. Dewey et al., “Effects of Age at Introduction of Complementary Foods to Breast-Fed Infants on Duration of Lactational Amenorrhea in Honduran Women,” American Journal of Clinical Nutrition 65 (1997): 1403–1409; G.A. Tomaselli et al., “Using Complete Breast-Feeding and Lactational Amenorrhea as Birth Spacing Methods,” Contraception 61 (2000): 253–257.
- E. Billings and A. Westmore, The Billings Method (New York: Ballantine, 2003); E.L. Billings and J.J.Billings, Teaching the Billings Ovulation Method (Melbourne, Australia: Ovulation Method Research & Reference Centre of Australia, 1997); T.W. Hilgers, The Creighton Model NaProEducation System (Omaha, NE: Pope Paul VI Institute Press, 1996); R.J. Huneger and R. Fuller, A Couple’s Guide to Fertility (Portland, OR: Northwest Family Services, 1997); E. Clubb and J. Knight, Fertility (Trowbridge, England: Redwood Books, 1997); J. Kippley, The Art of Natural Family Planning (Cincinnati, OH: The Couple to Couple League, International, 1996); T. Weschler, Taking Charge of Your Fertility (New York: Harpers Collins, 2002).
- J.B. Brown, P. Harrisson, and M.A. Smith, “A Study of Returning Fertility after Childbirth and During Lactation by Measurement of Urinary Oestrogen and Pregnanediol Excretion and Cervical Mucus Production,” Journal of Biosocial Science 9 suppl. (1985): 5–23.
- L. Hatherley, “Lactation and Postpartum Infertility: The Use-Effectiveness of Natural Family Planning (NFP) after Term Pregnancy,” Clinical Reproduction and Fertility 3 (1985): 319–334.
- M. H. Labbok et al., “Ovulation Method Use During Breastfeeding: Is There Increased Risk of Unplanned Pregnancy?” American Journal of Obstetrics and Gynecology 165 suppl. (1991): 2031–2036.
- M.P. Howard and J.B. Stanford, “Pregnancy Probabilities During Use of the Creighton Model Fertility Care System,” Archives of Family Medicine 8 (1999): 391–402.
- Brown, Harrisson, and Smith, “A Study of Returning Fertility after Childbirth,” 5–23.
- G. A. Tomaselli et al., “Using Complete Breast-Feeding and Lactational Amenorrhoea as Birth Spacing Methods,” Contraception 61 (2000): 253–257.
- M. Zinaman and W. Stevenson, “Efficacy of the Symptothermal Method of Natural Family Planning in Lactating Women after the Return of Menses,” American Journal of Obstetrics and Gynecology 165 suppl. (1991): 2037–2039.
- K. I. Kennedy et al., “Breastfeeding and the Symptothermal Method,” Studies in Family Planning 26 (1995): 107–115; W. Li and Y. Qiu, “Relation of Supplementary Feeding to Resumption of Menstruation and Ovulation in Lactating Postpartum Women,” Chinese Medical Journal 120 (2007): 868–870.
- E. V. Velasquez et al., “Pituitary-Ovarian Axis During Lactational Amenorrhoea. I. Longitudinal Assessment of Follicular Growth, Gonadotrophins, Sex Steroid and Inhibin Levels before and after Recovery of Menstrual Cyclicity,” Human Reproduction 21 (2006): 909–915.
- Arevalo, Jennings, and Sinai, “Application of Simple Fertility Awareness-Based Methods,” 1241–1248.
- M. Arevalo, V. Jennings, and I. Sinai, “Efficacy of a New Method of Family Planning: The Standard Days Method,” Contraception 65 (2002): 333–338.
- V. Jennings, and I. Sinai, “Further Analysis of the Theoretical Effectiveness of the TwoDay Method of Family Planning,” Contraception 64 (64): 149–153.
- Brown, Harrisson, and Smith, “A Study of Returning Fertility,” 5–23.
- R. Fehring, M. Schneider, and M.L. Barron, “Protocol for Determining Fertility while Breast-Feeding,” Fertility and Sterility 84 (84): 805–807.
- Hatherley, “Lactation and Postpartum Infertility,” 319–334; Li and Qiu, “Relation of Supplementary Feeding,” 868–870; P.R. Lewis et al., “The Resumption of Ovulation and Menstruation in a Well-Nourished Population of Women Breastfeeding for an Extended Period of Time,” Fertility and Sterility 55 (55): 529–536.
- Lewis et al., “The Resumption of Ovulation and Menstruation,” 529–536.
- Ibid.; S. Diaz et al., “Relative Contributions of Anovulation and Luteal Phase Defect to the Reduced Pregnancy Rate of Breastfeeding Women,” Fertility and Sterility 58 (58): 498–503.
- Lewis et al., “The Resumption of Ovulation and Menstruation,” 529–536.
- J. M. Lepkowski et al., “National Survey of Family Growth, Cycle 6: Sample Design, Weighting, Imputation, and Variance Estimation,” Vital and Health Statistics 2.142 (2006): 1–82.
The Linacre Quarterly
Volume 77, 2010 - Issue 1