نتایج جستجو برای: cumulative live birth rate

تعداد نتایج: 1194709  

Journal: :Social science & medicine 2005
Patricia B Reagan Pamela J Salsberry

Preterm births occur in 9.7% of all US singleton births. The rate for blacks is double that of whites and the rate is 25% higher for Hispanics than for whites. While a number of individual correlates with preterm birth have been identified, race and ethnic differences have not been fully explained. Influenced by a growing body of literature documenting a relationship among health, individual in...

Journal: :The New England journal of medicine 2004
Ann Thurin Jon Hausken Torbjörn Hillensjö Barbara Jablonowska Anja Pinborg Annika Strandell Christina Bergh

BACKGROUND The risks of premature birth and perinatal death are increased after in vitro fertilization. These risks are mainly due to the high incidence of multiple births, which relates to the number of embryos transferred. METHODS We performed a randomized, multicenter trial to assess the equivalence of two approaches to in vitro fertilization with respect to the rates of pregnancy that res...

2017

In England and Wales, 53% of live births were born within marriage in 2013, compared to 59% in 2003 and 93% in 1963 [1] . The average age at marriage has increased and more children are born to women older than 30 years. In the UK, there were 2.0 million lone parents with dependent children in 2015. This figure has grown steadily from 1.9 million in 2005. Lone parents with dependent children re...

H MALEK-AFZALI,

Birth and death indicators were examined through retrospective surveys conducted in 1985 and 1987 in the Islamic Republic of lran, reviewing 1984 and 1986 events, to obtain infant mortality rate (IMR) and other necessary indicators for health planning and evaluation. Comparison between 1985 and 1987 surveys revealed: 1. No major change in crude death rate ( 6.3 per 1000 in 1987 survey) had...

2012
Mohammad Reza Sadeghi

Assisted reproductive technologies have spread worldwide to help infertile couples but access to these advanced treatments is of varying degrees in different countries. Access to infertility treatment is very limited and insurance coverage of these treatments is insufficient in developing, underdeveloped and low-income countries. From birth of the first IVF baby in 1978, procedures of diagnosis...

2017

In England and Wales, 53% of live births were born within marriage in 2013, compared to 59% in 2003 and 93% in 1963 [1] . The average age at marriage has increased and more children are born to women older than 30 years. In the UK, there were 2.0 million lone parents with dependent children in 2015. This figure has grown steadily from 1.9 million in 2005. Lone parents with dependent children re...

Journal: :The New England journal of medicine 2010
Stef P Kaandorp Mariëtte Goddijn Joris A M van der Post Barbara A Hutten Harold R Verhoeve Karly Hamulyák Ben Willem Mol Nienke Folkeringa Marleen Nahuis Dimitri N M Papatsonis Harry R Büller Fulco van der Veen Saskia Middeldorp

BACKGROUND Aspirin and low-molecular-weight heparin are prescribed for women with unexplained recurrent miscarriage, with the goal of improving the rate of live births, but limited data from randomized, controlled trials are available to support the use of these drugs. METHODS In this randomized trial, we enrolled 364 women between the ages of 18 and 42 years who had a history of unexplained ...

Journal: :Human reproduction 1997
A J Deary J E Seaton A Prentice N C Morton A K Booth S K Smith

Our objective was to evaluate the effect of a change in treatment protocols, suggested following an inspection visit by the regulatory authority, from single to double inseminations during donor insemination treatment cycles. We therefore conducted a retrospective audit of pregnancy rates in the reproductive medicine clinic of a major teaching hospital. All patients were treated for male factor...

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