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Interpregnancy interval

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https://www.readbyqxmd.com/read/28079768/interpregnancy-interval-after-termination-of-pregnancy-and-the-risks-of-adverse-outcomes-in-subsequent-birth
#1
Jaana Männistö, Aini Bloigu, Mika Gissler, Oskari Heikinheimo, Maarit Niinimäki
OBJECTIVE: To assess whether the length of the interpregnancy interval after termination of pregnancy influences the risk of preterm birth, low birth weight, and small-for-gestational-age neonates in a subsequent pregnancy. METHODS: In this register-based study, we included all women (N=19,894) who underwent termination of pregnancy between 2000 and 2009 and whose subsequent pregnancy ended in live singleton delivery. The women were divided into five groups depending on the interpregnancy interval between termination of pregnancy and subsequent conception: interpregnancy interval less than 6 months (n=2,956), 6 to less than 12 months (n=3,203), 12 to less than 18 months (n=2,623), 18 to less than 24 months (n=2,076), and 24 months or greater (n=9,036)...
January 9, 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28068486/the-changing-epidemiology-of-autism-spectrum-disorders
#2
Kristen Lyall, Lisa Croen, Julie Daniels, M Daniele Fallin, Christine Ladd-Acosta, Brian K Lee, Bo Y Park, Nathaniel W Snyder, Diana Schendel, Heather E Volk, Gayle C Windham, Craig Newschaffer
Autism spectrum disorder (ASD) is a complex neurodevelopmental condition with lifelong impacts. Genetic and environmental factors contribute to ASD etiology, which remains incompletely understood. Research on ASD epidemiology has made significant advances in the past decade. Current prevalence is estimated to be at least 1.5% in developed countries, with recent increases primarily among those without comorbid intellectual disability. Genetic studies have identified a number of rare de novo mutations and gained footing in the areas of polygenic risk, epigenetics, and gene-by-environment interaction...
December 21, 2016: Annual Review of Public Health
https://www.readbyqxmd.com/read/28034653/the-influence-of-interpregnancy-interval-on-infant-mortality
#3
David Mckinney, Melissa House, Aimin Chen, Louis Muglia, Emily Defranco
BACKGROUND: In Ohio the infant mortality rate is above the national average and the black infant mortality rate is more than twice the white infant mortality rate. Having a short interpregnancy interval has been shown to correlate with preterm birth and low birth weight, but the effect of short interpregnancy interval on infant mortality is less well established. OBJECTIVE: To quantify the population impact of interpregnancy interval on the risk of infant mortality...
December 26, 2016: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28031961/fetal-origins-of-autism-spectrum-disorders-the-non-associated-maternal-factors
#4
REVIEW
Hind N Moussa, Anand Srikrishnan, Sean C Blackwell, Pramod Dash, Baha M Sibai
AIM: Several population-based studies have been conducted to determine whether maternal exposures are involved in the pathophysiology of autism spectrum disorder (ASD). We review these studies and describe the factors not associated with increased risk for ASD development. METHODS: We identified studies describing associations between maternal exposures and ASD development. These studies include the Childhood Autism Risks from Genetics and the Environment, Nurses' Health Study II, and the Swedish population registry...
June 2016: Future Science OA
https://www.readbyqxmd.com/read/27903080/inter-pregnancy-interval-and-adverse-outcomes-evidence-for-an-additional-risk-in-health-disparate-populations
#5
Shyama Appareddy, Jason Pryor, Beth Bailey
OBJECTIVE: Short interpregnancy interval (IPI), <18 months between pregnancies, is a potential cause of adverse delivery and birth outcomes, and may be a particular issue among those with other risks. Our goal was to examine IPI and delivery/infant complications in Tennessee. METHODS: Birth certificate/vital records data included 101,912 women with a previous delivery. IPI groups (<6, 6-12, 12-18, 18-60 months) were compared on outcomes. RESULTS: Thirty-nine percent of the deliveries had IPI <18 months, 9% were <6 months, rates 11% and 27% higher than nationally...
December 1, 2016: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/27864302/interpregnancy-interval-following-miscarriage-and-adverse-pregnancy-outcomes-systematic-review-and-meta-analysis
#6
REVIEW
Chrishny Kangatharan, Saffi Labram, Sohinee Bhattacharya
BACKGROUND: A short interpregnancy interval (IPI) following a delivery is believed to be associated with adverse outcomes in the next pregnancy. The optimum IPI following miscarriage is controversial. Based on a single large-scale study in Latin and South America, the World Health Organization recommends delaying pregnancy for 6 months after a miscarriage to achieve optimal outcomes in the next pregnancy. OBJECTIVE AND RATIONALE: Our aim was to determine if a short IPI (<6 months) following miscarriage is associated with adverse outcomes in the next pregnancy...
November 17, 2016: Human Reproduction Update
https://www.readbyqxmd.com/read/27776483/induced-abortion-%C3%A2-impact-on-a%C3%A2-subsequent-pregnancy-in-first-time-mothers-a-registry-based-study
#7
Susanna Holmlund, Tommi Kauko, Jaakko Matomäki, Miia Tuominen, Juha Mäkinen, Päivi Rautava
BACKGROUND: To date, several studies concerning the effects of induced abortion (IA) on women's later psychosocial well-being and future delivery complications have been published. However, the lack of reports on woman's physical well-being during their first full-term pregnancy occurring after IA is what inspired the current study. Here, we evaluate the physical well-being and use of maternity services of first-time mothers with a history of IA. METHODS: Finnish National Birth Registry data from 2008 to 2010 were linked with the Induced Abortion Registry data from 1983 to 2007...
October 24, 2016: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/27747919/the-impact-of-small-for-gestational-age-births-in-early-and-late-preeclamptic-pregnancies-for-preeclampsia-recurrence-a-cohort-study-of-successive-pregnancies-in-sweden
#8
Sven Cnattingius, Anna-Karin Wikström, Olof Stephansson, Kari Johansson
BACKGROUND: Results from uterine artery Doppler investigations suggest that the aetiology of late preeclampsia with fetal growth restriction may be more similar to the aetiology of early preeclampsia than with late preeclampsia without fetal growth restriction. We hypothesised that a small-for-gestational-age (SGA) birth in a late preeclamptic pregnancy may be associated with increased subsequent risk of early preeclampsia. We also studied effects of maternal factors on risks of preeclampsia recurrence...
November 2016: Paediatric and Perinatal Epidemiology
https://www.readbyqxmd.com/read/27742726/association-between-interpregnancy-interval-and-the-risk-of-recurrent-loss-after-a-midtrimester-loss
#9
C L Roberts, C S Algert, J B Ford, T A Nippita, J M Morris
STUDY QUESTION: After an initial midtrimester loss, is the interval to the next conception associated with the risk of a recurrent loss? SUMMARY ANSWER: Among women who had a pregnancy loss at 14-19 weeks gestation, conception at least 3 months after this initial loss was associated with a reduced risk of a recurrent loss. WHAT IS KNOWN ALREADY: A short interpregnancy interval (IPI) has been thought to increase risk but recent studies of pregnancy after a loss have found no effect; however, these studies have been based almost entirely on an initial first trimester (<14 weeks) loss...
December 2016: Human Reproduction
https://www.readbyqxmd.com/read/27565663/interpregnancy-interval-and-childbirth-outcomes-in-california-2007-2009
#10
Flojaune Griffin Cofer, Moshe Fridman, Elizabeth Lawton, Lisa M Korst, Lisa Nicholas, Kimberly D Gregory
Objectives The goals of interconception care are to optimize women's health and encourage adequate spacing between pregnancies. Our study calculated trends in interpregnancy interval (IPI) patterns and measured the association of differing intervals with birth outcomes in California. Methods Women with "non-first birth" deliveries in California hospitals from 2007 to 2009 were identified in a linked birth certificate and patient discharge dataset and divided into three IPI birth categories: <6, 6-17, and 18-50 months...
August 27, 2016: Maternal and Child Health Journal
https://www.readbyqxmd.com/read/27485494/effect-of-modifiable-risk-factors-on-preterm-birth-a-population-based-cohort
#11
Candice S Lengyel, Shelley Ehrlich, Jay D Iams, Louis J Muglia, Emily A DeFranco
Objectives The purpose of this study is to evaluate the prevalence, impact, and interaction of short interpregnancy interval (IPI), pre-pregnancy body mass index (BMI) category, and pregnancy weight gain (PWG) on the rate of preterm birth. Methods This is a population-based retrospective cohort study using vital statistics birth records from 2006 to 2011 in OH, US, analyzing singleton live births to multiparous mothers with recorded IPI (n = 393,441). Preterm birth rate at <37 weeks gestational age was compared between the referent pregnancy (defined as normal pre-pregnancy maternal BMI, IPI of 12-24 months, and Institute of Medicine (IOM) recommended PWG) and those with short or long IPI, abnormal BMI (underweight, overweight, and obese), and high or low PWG (under or exceeding IOM recommendations)...
August 3, 2016: Maternal and Child Health Journal
https://www.readbyqxmd.com/read/27475828/racial-differences-in-the-influence-of-interpregnancy-interval-on-fetal-growth
#12
Mihir R Atreya, Louis J Muglia, James M Greenberg, Emily A DeFranco
Objectives Assess the influence of maternal race on the association between interpregnancy interval (IPI) and risk of small for gestational age (SGA) and large for gestational age (LGA) births. Methods Statewide population-based cohort study of 380,520 singleton births. We calculated risk of SGA and LGA births following IPIs of 0 to <6, 6 to <12, 12 to <24 (referent), 24 to <60 months, and ≥60 months, by maternal race after adjustment for confounding influences. Results The highest risk for SGA among white women followed short IPI of 0 to <6 months [adjRR 1...
July 30, 2016: Maternal and Child Health Journal
https://www.readbyqxmd.com/read/27475821/postpartum-contraception-and-interpregnancy-intervals-among-adolescent-mothers-accessing-public-services-in-california
#13
Sarah Isquick, Richard Chang, Heike Thiel de Bocanegra, Marina Chabot, Claire D Brindis
Objective To determine the association of age at index birth with postpartum contraceptive use and optimal interpregnancy interval (IPI, defined as delivery to next pregnancy >18 months), controlling for provider type and client demographics among adolescent mothers who have repeat pregnancies. Methods California's 2008 birth records were linked to California's Medi-Cal and Family PACT claims data to identify 26,393 women with repeat births between 2002 and 2008, whose index birth occurred as an adolescent, and who received publicly-funded services within 18 months after the index birth...
July 30, 2016: Maternal and Child Health Journal
https://www.readbyqxmd.com/read/27449785/associates-of-neonatal-infant-and-child-mortality-in-the-islamic-republic-of-pakistan-a-multilevel-analysis-using-the-2012-2013-demographic-and-health-surveys
#14
Anna Helova, Kristine R Hearld, Henna Budhwani
Objectives Pakistan is one of five nations contributing to half of the world's child mortality and holds under-five mortality rates which are nearly double global targets. Reasons for this shortfall include civil conflicts, political uncertainty, low education, poverty, rural-urban disparities, and limited health care access. The aim of this study was to explore associations between individual characteristics, community factors, and child mortality in Pakistan. Methods Data were derived from the 2012 to 2013 Pakistan Demographic and Health Survey, and included 7399 live births and 380 child deaths...
July 23, 2016: Maternal and Child Health Journal
https://www.readbyqxmd.com/read/27405821/interpregnancy-interval-and-preterm-birth-correlation-versus-causation-debate-continued
#15
COMMENT
K C Schliep
No abstract text is available yet for this article.
November 2016: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/27405702/interpregnancy-interval-after-live-birth-or-pregnancy-termination-and-estimated-risk-of-preterm-birth-a-retrospective-cohort-study
#16
COMPARATIVE STUDY
B Z Shachar, J A Mayo, D J Lyell, R J Baer, L L Jeliffe-Pawlowski, D K Stevenson, G M Shaw
OBJECTIVES: We assessed whether interpregnancy interval (IPI) length after live birth and after pregnancy termination was associated with preterm birth (PTB). DESIGN: Multiyear birth cohort. SETTINGS: Fetal death, birth and infant death certificates in California merged with Office of Statewide Health Planning and Development. POPULATION: One million California live births (2007-10) after live birth and after pregnancy termination...
November 2016: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/27367283/the-effect-of-interpregnancy-interval-on-the-recurrence-rate-of-spontaneous-preterm-birth-a-retrospective-cohort-study
#17
Bouchra Koullali, Esme I Kamphuis, Michel H P Hof, Sarah A Robertson, Eva Pajkrt, Christianne J M de Groot, Ben W J Mol, Anita C J Ravelli
Objective We assessed, in women with a previous spontaneous preterm birth, the effect of interpregnancy interval on the subsequent preterm birth rate. Design Retrospective cohort study. Setting A nationwide longitudinal dataset of the the Netherlands Perinatal Registry. Population Women with three sequential singleton pregnancies between 1999 and 2009 and a spontaneous preterm birth <37 weeks in the first pregnancy. Methods We evaluated the impact of interpregnancy interval on the course of the next pregnancies...
January 2017: American Journal of Perinatology
https://www.readbyqxmd.com/read/27328508/short-interpregnancy-interval-after-b-lynch-uterine-compression-suture-a-case-report
#18
A Nishikawa, S Matsuzaki, K Mimura, T Kanagawa, T Kimura
PURPOSE: The influence of the B-Lynch suture technique on subsequent fertility and pregnancy outcomes is not clear. In the present report, the authors describe the case of a very short interpregnancy interval following the successful placement of a B-lynch suture and discuss the associated problems. MATERIALS AND METHODS: A 33-year-old-woman underwent cesarean section after undergoing artificial induction of labor and subsequent atonic postpartum hemorrhage. Placement of a B-Lynch brace suture successfully stopped the bleeding and preserved the uterus...
2016: Clinical and Experimental Obstetrics & Gynecology
https://www.readbyqxmd.com/read/27320953/maternal-and-socio-demographic-determinants-of-low-birth-weight-lbw-a-community-based-study-in-a-rural-block-of-assam
#19
M Borah, R Agarwalla
BACKGROUND AND RATIONALE: Low birth weight (LBW) leads to high neonatal and infant deaths. There is also high prevalence of childhood morbidities and mortalities that are consequences of LBW. OBJECTIVES: To find out the prevalence of LBW babies among the study population and to find out the effect of certain maternal and socio-demographic characteristics on birth weight. MATERIALS AND METHODS: This cross-sectional study was carried out in a rural block of Assam...
July 2016: Journal of Postgraduate Medicine
https://www.readbyqxmd.com/read/27268015/effect-of-interpregnancy-interval-on-adverse-pregnancy-outcomes-in-northern-tanzania-a-registry-based-retrospective-cohort-study
#20
Michael J Mahande, Joseph Obure
BACKGROUND: Both short and long interpregnancy intervals have been associated with an increased risk of adverse pregnancy outcomes. There is limited information about the impact of interpregnancy interval on pregnancy (IPI) outcomes in Tanzania. The objective of this study was to assess the effect of IPI on adverse pregnancy outcomes. METHODS: We performed a retrospective cohort study using maternally-linked data from Kilimanjaro Christian Medical Centre (KCMC) birth registry...
June 7, 2016: BMC Pregnancy and Childbirth
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