4World Health Organization Task Force on Methods for the Natural Regulation of Fertility.The World Health Organization multinational study of breastfeeding and lactational amenorrhea.Ⅰ.Description of infant feeding patterns and of the return of menses[J].Fertil Steril,1998,70:448-460. 被引量：1
5Eslami SS,Gray RH,Apelo R,et al.The reliability of menses to indicate the return of ovulation in breastfeeding women in Manila,The Philippines[J].Stud Fam Plann,1990,21(5):243-250. 被引量：1
6Campbell OM,Gray RH.Characteristics and determinants of postpartum ovarian function in women in the United States[J].Obstet Gynecol,1993,169(1):55-60. 被引量：1
7Jacob S,Spencer NA,Bullivant SB,et al.Effects of breastfeeding chemosignals on the human menstrual cycle[J].Hum Reprod,2004,19(2):422-429. 被引量：1
8Sir-Petermann T,Devoto L,Maliqueo M,et al.Resumption of ovarian function during lactational amenorrhoea in breastfeeding women with polycystic ovarian syndrome:endocrine aspects[J].Hum Reprod,2001,16(8):1603-1610. 被引量：1
9World Health Organization.Laboratory manual for the examination of human semen and semen-cervical mucus interaction[J].New York:Cambridge University Press,1993. 被引量：1
10Gross BA.Is the lactational amenorrhea method a part of natural family planning[J]?Obstet Gynecol,1991,165:2014-2020. 被引量：1
