Results 11 to 20 of about 50,476,256 (254)

Maternal age at first birth and adolescent education in Brazil [PDF]

Demographic Research, 2013
BACKGROUND Brazil has witnessed dramatic changes in its fertility patterns in recent decades. The decline to below-replacement fertility has been accompanied by increases in the proportion of children born to young mothers.
Leticia Marteleto, Molly Dondero
doaj   +2 more sources

A polygenic score for age-at-first-birth predicts disinhibition. [PDF]

J Child Psychol Psychiatry, 2020
BackgroundA recent genome-wide association study identified molecular-genetic associations with age-at-first-birth. However, the meaning of these genetic discoveries is unclear.
Richmond-Rakerd LS, Moffitt TE, Arseneault L, Belsky DW, Connor J, Corcoran DL, Harrington H, Houts RM, Poulton R, Prinz JA, Ramrakha S, Sugden K, Wertz J, Williams BS, Caspi A.   +14 more
europepmc   +2 more sources

Advanced or postponed motherhood? Migrants’ and natives’ gap between ideal and actual age at first birth in Spain [PDF]

Demographic Research, 2023
BACKGROUND: The analysis of migrants’ preferences on the timing of fertility offers insights on how the migration experience and the contextual characteristics at destination might shape migrant women’s expectations and behaviors.
Xiana Bueno, Mariona Lozano, Alícia Adserà   +2 more
doaj   +1 more source

Investigating the Tempo Effect on Completed Fertility: The Effect of Age at First Cohabitation or Birth on Completed Fertility in Malawi, Africa [PDF]

Women’s Health Bulletin, 2023
Background: Population growth is considered a problem in Malawi, Africa and fertility is reportedly a key factor in the growth of this population.
James Forty
doaj   +1 more source

Genetic liability to age at first sex and birth in relation to cardiovascular diseases: a Mendelian randomization study

BMC Medical Genomics, 2023
Background Growing evidence suggests that various reproductive factors, including early menarche, early menopause, and age at first birth, may increase the risk of developing cardiovascular disease (CVD) later in life.
Miao Chen, Zhen Wang, Hongfei Xu, Xiaofang Chen, Peng Teng, Liang Ma   +5 more
doaj   +1 more source

Age at menarche, age at natural menopause, and risk of rheumatoid arthritis — a Mendelian randomization study

Arthritis Research & Therapy, 2021
Background Hormonal reproductive factors have been suggested to play an important role in the etiology of rheumatoid arthritis (RA), an autoimmune inflammatory disorder affecting primarily women.
Jingjing Zhu, Zheng Niu, Lars Alfredsson, Lars Klareskog, Leonid Padyukov, Xia Jiang   +5 more
doaj   +1 more source

Quantitative Study of Factors Associated with Breast Cancer among Women Reporting to a Tertiary Care Hospital in Karnataka

National Journal of Community Medicine, 2020
Introduction: Numerous epidemiological studies performed throughout the world have confirmed the role of many risk factors. However, evidence suggests that international variation in the burden of breast cancer reflects differences in the patterns of ...
Venkatesh Gonibeedu, Vamsi Kakileti
doaj   +1 more source

Factors associated with age of mother at first birth in Albania: application of quantile regression model

Heliyon, 2021
The objective of this study was to explore the risk factors that can determine the age of mother at first birth in Albania. The necessary information was extracted from a nationally representative sample survey, Albania Demographic and Health Survey ...
Ashis Talukder, Zahidul Islam Khan, Fatheha Khatun, Shafia Tahmida   +3 more
doaj   +1 more source

Sex‐Specific Reproductive Factors Augment Cardiovascular Disease Risk in Women: A Mendelian Randomization Study

Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease, 2023
Background Observational studies suggest that reproductive factors are associated with cardiovascular disease, but these are liable to influence by residual confounding.
Maddalena Ardissino, Eric A. W. Slob, Paul Carter, Tormod Rogne, Joanna Girling, Stephen Burgess, Fu Siong Ng   +6 more
doaj   +1 more source

A comparative assessment of the quality of age at first sex and age at first marriage reporting in three HIV cohort studies in sub-Saharan Africa [PDF]

, 2009
OBJECTIVES: To assess inconsistencies in reported age at first sex (AFS) and age at first marriage (AFM) in three African cohorts, and consider their implications for interpreting trends in sexual and marital debut.METHODS: Data were analysed from ...
Zaba, B, Wringe, A., Herbst, K., Todd, J., McGrath, N., Mushore, P., McGrath, N, Cremin, I, Herbst, K, Slaymaker, E, Cremin, I., Zaba, B., Wringe, A, Kasamba, I, Kasamba, I., Mushore, P, Slaymaker, E., Todd, J   +17 more
core   +1 more source