Fertility treatment regulator steps up warning about multiple births
نویسندگان
چکیده
منابع مشابه
Effect of Maternal Age and Fertility Treatment on the Increase in Multiple Births in Japan: Vital Statistics, 1974–2009
BACKGROUND The present study used vital-statistics data to estimate the effect of maternal age and fertility treatment on the number and rate of multiple live births in Japan from 1974 through 2009. METHODS Japanese vital statistics published by the Ministry of Health, Labour and Welfare from 1974 to 2009 were gathered and reanalyzed with regard to maternal age class and plurality of live bir...
متن کاملTehran Survey of Potential Risk Factors for Multiple Births
Background The incidence of multiple pregnancies has increasing worldwide and it is related to concern in the health care system. This study was aimed to determine the frequencyof multiple pregnancies, and to identify factors affecting the frequency of the phenomena in Tehran, Iran. MaterialsAndMethods In this cross sectional study, 5170 mothers in labor between July 6 to 21 2015 referred to 10...
متن کاملThe epidemiology of multiple births.
On the basis of MEDLINE and manual searches, we examined the main papers in the English literature regarding risk factors for spontaneous (i.e. not related to fertility drug use) multiple births. The constant frequency of monozygotic (MZ) pregnancies over time and in different geographical areas suggests that the determination of MZ twins is largely unchanged over time, and that a genetic mecha...
متن کاملPerinatal problems in multiple births.
BACKGROUND Multiple pregnancies have become more common in the industrialized world because of rising maternal ages and advances in reproductive medicine. METHODS Selective literature review. RESULTS Multiple pregnancy carries a higher risk of prematurity, intrauterine growth restriction, and prenatal death, as well as elevated risks to the mother including preeclampsia, diabetes, and hemor...
متن کاملWhen Fertility is Bargained: Second Births in Denmark and Spain
We examine the degree to which women’s fertility decisions depend on greater gender symmetry in child care. We analyse second births and focus particularly on the importance of fatherly care for women with a strong career orientation. Exploiting the European Community Household Panel, we use event-history techniques and compare Denmark and Spain, two countries that represent the European extrem...
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ژورنال
عنوان ژورنال: BMJ
سال: 2006
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.332.7554.1353-c