Postpartum Contraceptive Use Among Adolescent Mothers in Seven States von Wilson, Ellen K., Ph.D, Fowler, Christina I., Ph.D, Koo, Helen P., Dr.P.H

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Mothers, fathers, sons, and daughters: gender differences in factors associated with parent-child communication about sexual topics von Wilson, Ellen K, Koo, Helen P

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U.S. Women's Knowledge of Reproductive Biology von Fowler, Christina I., Koo, Helen P., Richmond, Alicia D., Creel, Darryl, Asman, Kat

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Adolescent Mothers' Postpartum Contraceptive Use: A Qualitative Study von Wilson, Ellen K., Samandari, Ghazaleh, Koo, Helen P., Tucker, Christine

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"We're the Heroes!": Fathers' Perspectives on Their Role In Protecting Their Preteenage Children from Sexual Risk von Wilson, Ellen K., Dalberth, Barbara T., Koo, Helen P.

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Feasibility and acceptability of a computer-based tool to improve contraceptive counseling von Wilson, Ellen K, Krieger, Kathleen E, Koo, Helen P, Minnis, Alexandra M, Treiman, Katherine

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The influence of primary caregivers on the sexual behavior of early adolescents von ROSE, Allison, KOO, Helen P, BHASKAR, Brinda, ANDERSON, Karen, WHITE, Gregory, JENKINS, Renee R

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Relationships of Pubertal Development Among Early Adolescents to Sexual and Nonsexual Risk Behaviors and Caregivers’ Parenting Behaviors von Koo, Helen P., Rose, Allison, Bhaskar, Brinda, Walker, Leslie R.

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The Relationship Context: Its Effects on Low-Income Women's Desire for a Baby von Wilson, Ellen K., Koo, Helen P.

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Two good reasons: women's and men's perspectives on dual contraceptive use von Woodsong, Cynthia, Koo, Helen P

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Parents' views on sexual debut among pre-teen children in Washington, DC von Walker, Leslie R., Rose, Allison, Squire, Claudia, Koo, Helen P.

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Evaluation of a randomized intervention to delay sexual initiation among fifth-graders followed through the sixth grade von Koo, Helen P., Rose, Allison, El-Khorazaty, M. Nabil, Yao, Qing, Jenkins, Renee R., Anderson, Karen M., Davis, Maurice, Walker, Leslie R.

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Effects of Children on Women's Remarriage Prospects von Koo, Helen. P., Suchindran, C. M.

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Age at Last Birth and Its Components von Suchindran, C. M., Koo, Helen P.

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Childbearing and Family in Remarriage von Griffith, Janet D., Koo, Helen P., Suchindran, C. M.

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The Effects of Post-marital Childbearing on Divorce and Remarriage: An Application of Hazards Models with Time-dependent Covariates von Suchindran, C.M., Koo, Helen P., Griffith, Janet D.

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Current reproductive technologies: psychological, ethical, cultural and political considerations von Beckman, Linda J, Harvey, S Marie, Ciccarelli, Janice C, Newcomer, Susan, Koo, Helen P, Woodsong, Cynthia, Dalberth, Barbara T, Viswanathan, Meera, Simons-Rudolph, Ashley, Nichols, Mark D, Bird, Sheryl Thorburn, Bogart, Laura M, Ciccarelli, John K, Sherman, Christy A, Naughton, Michelle J, Jones, Alison Snow, Shumaker, Sally A, Russo, Nancy Felipe, Denious, Jean E, Severy, Lawrence J

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Effects of Children on Women's Remarriage Prospects1 von Koo, Helen. P., Suchindran, C. M.

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Reducing Adolescent Pregnancy Through A School- and Community-Based Intervention: Denmark, South Carolina, Revisited von Koo, Helen P., Dunteman, George H., George, Cindee, Green, Yvonne, Vincent, Murray

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Age at last birthday and its components von Suchindran, C M, Koo, Helen P

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