Pubertal Timing and Early Sexual Intercourse in the Offspring of Teenage Mothers |
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Authors: | Natacha M. De Genna Cynthia Larkby Marie D. Cornelius |
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Affiliation: | (1) Department of Psychiatry, University of Pittsburgh School of Medicine, Program in Epidemiology, Suite 138, Webster Hall, 4415 Fifth Avenue, Pittsburgh, PA 15213, USA;(2) Department of Psychiatry, University of Pittsburgh School of Medicine, 3811 O’Hara Street, Pittsburgh, PA 15213, USA;(3) Department of Epidemiology, Graduate School of Public Health, 3811 O’Hara Street, Pittsburgh, PA 15213, USA |
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Abstract: | Early puberty is associated with stressful family environments, early sexual intercourse, and teenage pregnancy. We examined pubertal timing and sexual debut among the 14-year-old offspring of teenage mothers. Mothers (71% Black, 29% White) were recruited as pregnant teenagers (12–18 years old). Data were collected during pregnancy and when offspring were 6, 10 and 14 years old (n = 318). Adolescents (50% male) compared the timing of their pubertal maturation to same-sex peers. There was a significant 3-way interaction effect of race, sex, and pubertal timing on sexual debut (n = 305). This effect remained significant in a model controlling for maternal age at first intercourse, substance use, exposure to trauma, authoritative parenting, and peer sexual activity (n = 255). Early maturation was associated with early sex in daughters, and may be one pathway for the inter-generational transfer of risk for teenage pregnancy among daughters of teenage mothers. |
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