Published in Natl Vital Stat Rep on June 14, 2005
Abnormal sex ratios in human populations: causes and consequences. Proc Natl Acad Sci U S A (2006) 3.92
A unified genetic theory for sporadic and inherited autism. Proc Natl Acad Sci U S A (2007) 3.47
Trivers-Willard at birth and one year: evidence from US natality data 1983-2001. Proc Biol Sci (2007) 1.51
Preconception stress and the secondary sex ratio: a prospective cohort study. Fertil Steril (2012) 1.42
Sex ratio patterns according to Asian ethnicity in Québec, 1981-2004. Eur J Epidemiol (2008) 1.04
Is there a viability-vulnerability tradeoff? Sex differences in fetal programming. J Psychosom Res (2013) 0.99
Declines in sex ratio at birth and fetal deaths in Japan, and in U.S. whites but not African Americans. Environ Health Perspect (2007) 0.96
Male Reproductive Disorders and Fertility Trends: Influences of Environment and Genetic Susceptibility. Physiol Rev (2016) 0.96
Reproductive outcomes in male childhood cancer survivors: a linked cancer-birth registry analysis. Arch Pediatr Adolesc Med (2009) 0.93
Ratio of boys to girls at birth. BMJ (2007) 0.89
Investigation of factors associated with paternal nondisjunction of chromosome 21. Am J Med Genet A (2009) 0.89
Can environmental or occupational hazards alter the sex ratio at birth? A systematic review. Emerg Health Threats J (2011) 0.88
An exploration of secondary sex ratios among women diagnosed with anxiety disorders. Hum Reprod (2010) 0.88
A cohort study of in utero polychlorinated biphenyl (PCB) exposures in relation to secondary sex ratio. Environ Health (2008) 0.86
Sex ratio at birth and mortality rates are negatively related in humans. PLoS One (2011) 0.84
Birth outcomes and background exposures to select elements, the Longitudinal Investigation of Fertility and the Environment (LIFE). Environ Res (2015) 0.83
A cohort study of the association between secondary sex ratio and parental exposure to polybrominated biphenyl (PBB) and polychlorinated biphenyl (PCB). Environ Health (2009) 0.82
Sex proportion of offspring and exposure to radiation in male invasive cardiologists. Proc (Bayl Univ Med Cent) (2007) 0.82
Couples' urinary bisphenol A and phthalate metabolite concentrations and the secondary sex ratio. Environ Res (2015) 0.79
Cross sectional study in China: fetal gender has adverse perinatal outcomes in mainland China. BMC Pregnancy Childbirth (2014) 0.78
Sex ratio variations among the offspring of women with diabetes in pregnancy. Diabet Med (2012) 0.76
Revisiting a sample of U.S. billionaires: how sample selection and timing of maternal condition influence findings on the Trivers-Willard effect. PLoS One (2013) 0.76
Couples' urinary concentrations of benzophenone-type ultraviolet filters and the secondary sex ratio. Sci Total Environ (2015) 0.75
Associations of parental age with health and social factors in adult offspring. Methodological pitfalls and possibilities. Sci Rep (2017) 0.75
Embryonic loss of human females with partial trisomy 19 identifies region critical for the single active X. PLoS One (2017) 0.75
Preconception stress and the secondary sex ratio in a population-based preconception cohort. Fertil Steril (2017) 0.75
The veils of clio: dimensions of a behavioral narratology. Anal Verbal Behav (2007) 0.75
Neonatal outcomes in relation to sex differences: a national cohort survey in Taiwan. Biol Sex Differ (2015) 0.75
Human sex ratio at birth in South West Nigeria. Indian J Hum Genet (2007) 0.75
Sex ratio following preconception low-dose aspirin in women with prior pregnancy loss. J Clin Invest (2015) 0.75
Sperm counts and sperm sex ratio in male infertility patients. Asian J Androl (2012) 0.75
Do rational numbers play a role in selection for stochasticity? Front Comput Neurosci (2014) 0.75
Births: final data for 2005. Natl Vital Stat Rep (2007) 5.91
Births: final data for 2009. Natl Vital Stat Rep (2011) 4.66
Births: final data for 2002. Natl Vital Stat Rep (2003) 4.12
Births: final data for 2010. Natl Vital Stat Rep (2012) 4.06
Births: final data for 2007. Natl Vital Stat Rep (2010) 3.97
Can changes in sexual behaviors among high school students explain the decline in teen pregnancy rates in the 1990s? J Adolesc Health (2004) 3.91
Delayed childbearing: more women are having their first child later in life. NCHS Data Brief (2009) 3.48
Births: final data for 2004. Natl Vital Stat Rep (2006) 3.47
Births: final data for 2013. Natl Vital Stat Rep (2015) 3.24
Births: final data for 2003. Natl Vital Stat Rep (2005) 3.24
Births: final data for 2008. Natl Vital Stat Rep (2010) 3.23
Mean age of mother, 1970-2000. Natl Vital Stat Rep (2002) 2.71
Births: preliminary data for 2012. Natl Vital Stat Rep (2013) 2.65
Births: final data for 2001. Natl Vital Stat Rep (2002) 2.51
Births: final data for 2011. Natl Vital Stat Rep (2013) 2.46
Recent trends in cesarean delivery in the United States. NCHS Data Brief (2010) 2.30
Births: final data for 2000. Natl Vital Stat Rep (2002) 2.11
Births: preliminary data for 2011. Natl Vital Stat Rep (2012) 2.03
Births: final data for 2012. Natl Vital Stat Rep (2013) 1.93
Births: preliminary data for 2009. Natl Vital Stat Rep (2010) 1.93
Births: Final Data for 2014. Natl Vital Stat Rep (2015) 1.77
Three decades of twin births in the United States, 1980-2009. NCHS Data Brief (2012) 1.71
National and state patterns of teen births in the United States, 1940-2013. Natl Vital Stat Rep (2014) 1.51
Expanded data from the new birth certificate, 2008. Natl Vital Stat Rep (2011) 1.50
Health concerns of women and infants in times of natural disasters: lessons learned from Hurricane Katrina. Matern Child Health J (2007) 1.48
Trends and variations in smoking during pregnancy and low birth weight: evidence from the birth certificate, 1990-2000. Pediatrics (2003) 1.39
Adolescent pregnancy and childbirth - United States, 1991-2008. MMWR Surveill Summ (2011) 1.37
Assessing the quality of medical and health data from the 2003 birth certificate revision: results from two states. Natl Vital Stat Rep (2013) 1.33
U.S. teenage birth rate resumes decline. NCHS Data Brief (2011) 1.25
Teenage births in the United States: state trends, 1991-2000, an update. Natl Vital Stat Rep (2002) 1.23
Fetal and perinatal mortality, United States, 2003. Natl Vital Stat Rep (2007) 1.15
Revised birth and fertility rates for the United States, 2000 and 2001. Natl Vital Stat Rep (2003) 1.14
First births to older women continue to rise. NCHS Data Brief (2014) 1.11
Perinatal outcomes for Asian, Native Hawaiian, and other Pacific Islander mothers of single and multiple race/ethnicity: California and Hawaii, 2003-2005. Am J Public Health (2010) 1.05
State disparities in teenage birth rates in the United States. NCHS Data Brief (2010) 0.98
Childbearing differences among three generations of U.S. women. NCHS Data Brief (2011) 0.94
Births in the United States, 2014. NCHS Data Brief (2015) 0.90
Births: Preliminary Data for 2015. Natl Vital Stat Rep (2016) 0.89
Births: Final Data for 2015. Natl Vital Stat Rep (2017) 0.87
Pregnancy and childbirth among females aged 10-19 years - United States, 2007-2010. MMWR Surveill Summ (2013) 0.86
Births in the United States, 2013. NCHS Data Brief (2014) 0.86
Births in the United States, 2015. NCHS Data Brief (2016) 0.86
Mean Age of Mothers is on the Rise: United States, 2000-2014. NCHS Data Brief (2016) 0.84
Recent decline in births in the United States, 2007-2009. NCHS Data Brief (2011) 0.81
Transitions between childlessness and first birth: three generations of U.S. women. Vital Health Stat 2 (2011) 0.79
Trends and Variations in Reproduction and Intrinsic Rates: United States, 1990-2014. Natl Vital Stat Rep (2017) 0.75
Continued Declines in Teen Births in the United States, 2015. NCHS Data Brief (2016) 0.75
Teen Birth Rates for Urban and Rural Areas in the United States, 2007-2015. NCHS Data Brief (2016) 0.75