Kumar, SReddaiah, V P1988-10-012009-05-271988-10-012009-05-271988-10-01Kumar S, Reddaiah VP. Lactational amenorrhea in urban poor women and its implications for use of contraception. Indian Pediatrics. 1988 Oct; 25(10): 987-92http://imsear.searo.who.int/handle/123456789/6904engAmenorrheaBreast FeedingContraceptionCross-Sectional StudiesFemaleHumansIndiaLactationPostpartum PeriodPregnancySocioeconomic FactorsTime FactorsUrban HealthLactational amenorrhea in urban poor women and its implications for use of contraception.Journal Article