منابع مشابه
What is the optimum age of male fertility in infertile couples?
Background: The results of studies on the effects of age on sperm parameters are controversial. The aim of this study was to evaluate the association of age and semen parameters. Methods: In this study 278 men (32.3±6.5 years, range 19 to 65 years) referred to a private medical laboratory to evaluate couple infertility were included from April 2016 to Mar...
متن کاملFamilies created by gamete donation: follow-up at age 2.
BACKGROUND Findings are presented of the second phase of a longitudinal study of families created through gamete donation. METHODS At the time of the child's second birthday, 46 donor insemination families and 48 egg donation families were compared with 68 natural conception families on standardized interview and questionnaire measures of the psychological well being of the parents, parent-ch...
متن کاملFamilies Created by Donor Insemination: FatherChild Relationships at Age 7
This study examined the psychological wellbeing of fathers and father – child relationships in families with a 7-year-old child conceived by donor insemination. Twenty-four donor insemination families and comparison groups of 25 egg donation and 32 unassisted-conception families were assessed using a standardized interview and questionnaires administered to the father, and father – child dyads ...
متن کاملUser-Created Groups in Health Forums: What Makes Them Special?
Patients and caregivers often seek help and support through online forums for their ailments. In many health forums, users can not only participate in existing, sitedefined user groups but also initiate their own groups. To better understand the mechanism and usefulness of such user-created groups, we comparatively studied their characteristics against those of site-defined groups, based on an ...
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ژورنال
عنوان ژورنال: TRENDS IN THE SCIENCES
سال: 2013
ISSN: 1342-3363,1884-7080
DOI: 10.5363/tits.18.4_36