نتایج جستجو برای: multiple births

تعداد نتایج: 772313  

Journal: :National vital statistics reports : from the Centers for Disease Control and Prevention, National Center for Health Statistics, National Vital Statistics System 2005
Marian F MacDorman Joyce A Martin T J Mathews Donna L Hoyert Stephanie J Ventura

The U.S. infant mortality rate increased from 6.8 infant deaths per 1,000 live births in 2001 to 7.0 in 2002, the first increase in more than 40 years. From 2001 to 2002 infant mortality rates increased for very low birthweight infants as well as for preterm and very preterm infants. Although infant mortality rates for very low birthweight infants increased, most of the increase in the infant m...

Journal: :Cadernos de saude publica 2013
Helma Jane Ferreira Veloso Antônio Augusto Moura da Silva Marco Antônio Barbieri Marcelo Zubarán Goldani Fernando Lamy Filho Vanda Maria Ferreira Simões Rosângela Fernandes Lucena Batista Maria Teresa S S Britto e Alves Heloísa Bettiol

Secular trends in rates of low birth weight in Brazilian state capital cities were evaluated for the period 1996 to 2010 using joinpoint regression models. The rates were calculated using data from the Live Births Information System. Newborns weighing less than 500 g were excluded. Only data for capital cities was included since under-registration of births in these cities is lower and new tren...

2005
Son-Moon Shin Young-Pyo Chang Eun-Sil Lee Young-Ah Lee Dong-Woo Son Min-Hee Kim Young-Ryoon Choi

To obtain the low birth weight (LBW) rate, the very low birth weight (VLBW) rate, and gestational age (GA)-specific birth weight distribution based on a large population in Korea, we collected and analyzed the birth data of 108,486 live births with GA greater than 23 weeks for 1 yr from 1 January to 31 December 2001, from 75 hospitals and clinics located in Korea. These data included birth weig...

2017
Jamie Perin Agbessi Amouzou Neff Walker

BACKGROUND Increased contraceptive use has been associated with a decrease in high parity births, births that occur close together in time, and births to very young or to older women. These types of births are also associated with high risk of under-five mortality. Previous studies have looked at the change in the level of contraception use and the average change in these types of high-risk bir...

Journal: :BMJ 1988
P W Howie

Contrary to the happy image in the media of multiple births the reality is often starkly different. Data on multiple pregnancy are limited, but a study of registered multiple births in England and Wales between 1975 and 1983 reported a 21% perinatal mortality and a 22% infant mortality.' (These figures do not include early loss of pregnancy, and the total fetal wastage is even higher.) Although...

Journal: :Human reproduction 1997
R P Dickey S N Taylor D N Curole P H Rye P Y Lu R Pyrzak

Our objective was to examine the relationship between patient weight and the dose of clomiphene required for pregnancy so as to assess the validity of recommendations that the dose of clomiphene be limited to 100 mg. We retrospectively analysed the weight-dose relationship in 1681 clomiphene pregnancies and the relationship between dose and pregnancy, births, multiple births, number of pre-ovul...

Journal: :Journal of epidemiology and community health 1998
L Hilder E Alberman

OBJECTIVE To demonstrate the use of aggregated, locally collected birth notification data to examine trends in birth-weight specific survival for singleton and multiple births. DESIGN Retrospective analysis of 171,527 notified births and subsequent infant survival data derived from computerised community child health records. Validation of data completeness and quality was undertaken by compa...

Journal: :BMJ 1988
S Cnattingius B Haglund O Meirik

Risk factors for late fetal death and early neonatal mortality were examined in a population based prospective study. Practically all Swedish births between 1983 and 1985 were included, 281,808 births in all. The overall rates of late fetal death and early neonatal mortality were 3.5 and 3.1 per 1000, respectively. About 30% of the pregnant women were recorded as being daily smokers. Logistic r...

Journal: :Fertility and sterility 2017
Denis A Vaughan Angela Leung Nina Resetkova Robin Ruthazer Alan S Penzias Denny Sakkas Michael M Alper

OBJECTIVE To study how many infertility patients would complete an average-sized family (achieve ≥2 live births) after a single, complete in vitro fertilization (IVF) cycle. DESIGN A retrospective cohort study. SETTING University-affiliated private infertility practice. PATIENT(S) Women undergoing IVF. INTERVENTION(S) None. MAIN OUTCOME MEASURE(S) The outcome of 1 or ≥2 live births af...

2013
Mohammad Abou El–Ardat Sebija Izetbegovic

UNLABELLED Clinic for Gynecology and Obstetrics, Clinical Center University of Sarajevo represents a tertiary level of health care with more than 3,000 births during one year. The aim of this article is to present the operation of the birth room at the Clinic for Gynecology and Obstetrics in 2012. Data were obtained on the basis of protocol of deliveries from the birth room. MATERIAL AND METH...

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