نتایج جستجو برای: live birth
تعداد نتایج: 208605 فیلتر نتایج به سال:
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...
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 ...
background: objective: present study was conducted to determine prevalence and risk factors associated with preterm birth in ardabil, iran. materials and methods: a case control study was conducted between nov 2010 and july 2011 in all three maternal hospitals in ardabil. all the live newborns during the study period were investigated. of 6705 live births during the study period 346 births ...
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