The use of lactational amenorrhea as a fertility regulating method.
Family Health International, Research Triangle Park, NC, USA.
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Rivera
D000568:Amenorrhea; D003267:Contraception; D005260:Female; D005298:Fertility; D006801:Humans; D007774:Lactation / Q000502:physiology*; D010060:Ovulation; D013997:Time Factors