搜索结果: 1-5 共查到“计划生育学 Results”相关记录5条 . 查询时间(0.14 秒)
Impact of parental ages and other characteristics at childbearing on congenital anomalies: Results for the Czech Republic, 2000-2007
characteristics childbearing congenital anomalies Czech Republic parents
2014/11/24
Background: If the impact of maternal age at childbearing on congenital anomalies is well-known for the occurrence of Down syndrome, less is known concerning its effects on other major anomalies. Info...
Evaluation of the Efficacy of a Polyurethane Condom：Results from a Randomized, Controlled Clinical Trial
Efficacy of a Polyurethane Condom consumers Clinical Trial
2009/9/15
Context: Condoms made of latex are not comfortable or appropriate for all consumers. Polyurethane condoms may provide a needed alternative.
Methods: In a double-masked study, 805 monogamous couple...
Pregnancy Prevention Among Urban Adolescents Younger than 15：Results of the‘In Your Face’Program
Pregnancy Prevention 15 Urban Adolescents
2009/9/14
Data from a pregnancy prevention program operating through school-based clinics in four New York City junior high schools suggest that an intensive risk-identification and case-management approach may...
Pathways to stepfamily formation in Europe Results from the FFS
childbearing histories Europe FFS macro-level indicators pre-union children stepfamily union histories
2008/12/4
Increasing proportions of couples are making childbearing decisions in stepfamilies but there has been no general comparative picture across European countries on stepfamily formation. The present pap...
Daily Fecundability：First Results from a New Data Base
fertility fertile period daily fecundability fertility awareness Schwartz model natural family planning
2008/11/28
This multicentre study has produced a database of 7017 menstrual cycles contributed by 881 women. It provides improved knowledge on length and location of the "fertile window" (identified as of up to ...