report to the NACHHD Council National Institute of Child Health and Human Development U.S text Bethesda, Md U.S. Dept. of Health and Human Services, National Institutes of Health, National Institute of Child Health and Human Development monographic Description based on: June 1999; title from cover image on table of contents screen (viewed on June 28, 2004) Center for Population Research (National Institute of Child Health and Human Dvelopment) Demographic and Behavioral Sciences Branch Fertility, Human Population research HE 20.3366: HE 20.3366: http://purl.access.gpo.gov/GPO/LPS34015 http://purl.access.gpo.gov/GPO/LPS34015 20160527183637.0 299631