1. Statement on breast feeding, fertility and post-partum contraception;International Planned Parenthood Federation;Statement by the International Medical Advisory Panel,1989
2. Guidelines for breastfeeding in family planning and child survival programs;Institute for International Studies in Natural Family Planning,1990
3. Postpartum options. Matching the method to individual needs;Townsend;Network,1990
4. Improving access to quality care in family planning. Medical eligibility criteria for contraceptive use;World Health Organization,1996
5. Consensus statement on the use of breastfeeding as a family planning method;Kennedy;Contraception,1989