Wijden C van der, Brown J, Kleijnen J. Lactational amenorrhea for family planning. Cochrane Database of Systematic Reviews 2003, Issue 4. Art. No.: CD001329. DOI: 10.1002/14651858.CD001329
Kazi A, Kennedy KI, Visness CM, Khan T. Effectiveness of the lactational amenorrhoea method in Pakistan. Fertil Steril 1995;64:717-23.
Pérez A, Labbok MH, Queenan JT. Clinical study of the lactational amenorrhoea method. Lancet 1992;339:968-70.
Ramos R, Kennedy KI, Visness CM. Effectiveness of the lactational amenorrhoea method in prevention of pregnancy in Manila, the Phillippines: non-comparative prospective trial. BMJ 1996;313:909-12.
Wouwe, van JP et al. Breastfeeding duration related to practised contraception in the Netherlands. Acta Paediatrica 2009; 98; pp. 86-90.
Kremer JAM, Schellekens LA, Rolland R. Anticonceptie na de bevalling. Ned Tijdschr Geneeskd 1994;138:1898-900.
Neville MC, Walsh CT. Effects of drugs on milk secretion and composition. In: Bennett PN, editor. Drugs and human lactation. Amsterdam: Elsevier, 1996: 15-46.
Truitt ST et al. Hormonal., contraception during lactation. Systematic review of randomized controlled trials. Contraception 2003; 68 (4); pp. 233-8.
Kapp N (a), Curtis KM. Combined oral contraceptive use among breastfeeding women: a systematic review. Contraception. 2010 Jul; 82(1):10-6. Epub 2010 Mar 9.
Kapp N (b), Curtis KM, Nanda K. Progestagen-only contraceptive use among breastfeeding women: a systematic review. Contraception 82 (2010) 17–37.
Hale TW. Medications and Mothers’ Milk: A Manual of Lactational Pharmacology. Pharmasoft Medical Pub 2010.
Verduijn MM. Anticonceptiepleister en hormoonbelasting. Geneesmiddelenbulletin 2008;42:42.
Grimes DA, Lopez LM, Schulz KF, Van Vliet HAAM, Stanwood NL. Immediate post-partum insertion of intrauterine devices. Cochrane Database of Systematic Reviews 2010, Issue 5. Art. No.: CD003036. DOI: 10.1002/14651858.CD003036.pub2.
Brand A, Bruinsma A, van Groeningen K, Kalmijn S, Kardolus I, Peerden M, Smeenk R, de Swart S, Kurver M, Goudswaard L. NHG-Standaard Anticonceptie Huisarts Wet 2011;54(12):652-76
Trussell, James. Contraceptive failure in the United States. Contraception 83 (2011) 397–404. doi:10.1016/j.contraception.2011.01.021
Heinemann K, Moehner S. Intrauterine Devices and the Risk of Uterine Perforations: Final Results From the EURAS-IUD Study. Obstet Gynecol. 2014 May;123 Suppl 1:3S. doi: 10.1097/AOG.0000000000000209
Frank-Herrmann P1, Heil J, Gnoth C, Toledo E, Baur S, Pyper C, Jenetzky E, Strowitzki T, Freundl G. The effectiveness of a fertility awareness based method to avoid pregnancy in relation to a couple's sexual behaviour during the fertile time: a prospective longitudinal study. Hum Reprod. 2007 May;22(5):1310-9.