Sri Lankan Twin Registry

Sumathipala, Athula; Siribaddana, Sisira; Silva, Nimali De; Fernando, Devaka J.S.; Abeysingha, Nihal M. R.; Dayaratne, Rohana; Silva, Deepthi De; Warnasuriya, Narada; Hotopf, Matthew

doi:10.1375/136905202320906200

Cited by 22 publications

(11 citation statements)

References 6 publications

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“…Researchers have accessed many data sources when establishing twin registers, including birth records (Anderson et al, 2002;Bergem, 2002;Krueger & Johnson, 2002;Skytthe et al, 2002;Sumathipala et al, 2002), notification of multiple pregnancies from health professionals (Derom et al, 2002;Glinianaia et al, 2002), school records (Anderson et al, 2002), military service records (Goldberg et al, 2002;Page, 2002) and national population or health insurance registers (Bergem, 2002;Stazi et al, 2002;Sung et al, 2002;Yang et al, 2002). Most volunteer-based registers rely on advertising to recruit participants, and this is achieved using various media outlets, referrals by health professionals, and contact through twins clubs, parishes, schools and hospitals (Baker et al, 2002;Boomsma et al, 2002b;Hayakawa et al, 2002;Hopper, 2002;Jang et al, 2002;Spector & MacGregor, 2002;Spinath et al, 2002;Strassberg et al, 2002).…”

mentioning

confidence: 99%

The Western Australian Register of Childhood Multiples: Effects of Questionnaire Design and Follow-up Protocol on Response Rates and Representativeness

Hansen¹,

Alessandri

Croft

et al. 2004

Twin Res

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mentioning

confidence: 99%

The Western Australian Register of Childhood Multiples: Effects of Questionnaire Design and Follow-up Protocol on Response Rates and Representativeness

Hansen¹,

Alessandri

Croft

et al. 2004

Twin Res

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“…[12][13][14] Twin birth registries are rare in low and middle income countries(LMIC) and twin specific research is generally based on hospital based studies, secondary analyses of interventional trials or retrospective analyses of demographic and health survey (DHS) data, all with significant limitations and bias. [15][16][17] In LMICs medical record documentation is suboptimal which may affect the data quality. 16 Previous studies have shown increasing maternal age and parity have been found to be strongly associated with increased incidence of twinning.…”

Section: Discussionmentioning

confidence: 99%

Study of perinatal outcome in twin gestation in rural referral hospital in Maharashtra (India): a cross sectional study

Asalkar

Kasar

Dhakne

et al. 2017

Int J Reprod Contracept Obstet Gynecol

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Background: Incidence of twin pregnancy is increasing all over the world. It can occur after Assisted Reproductive Technology (ART) or spontaneously and associated with increased maternal and neonatal complications both in the developed and developing countries.Methods: A descriptive (Cross sectional) study of 64 cases of twins was undertaken between January 2013 till December 2015. Data collection was done prospectively from the patients admitted to the hospital with twin gestation. Inclusion criteria: All pregnancy with twin gestation more than 28 weeks of gestation. Twin pregnancies with both fetuses alive are included. Exclusion criteria is multiple gestation other than twins, cases with congenital malformation and intrauterine death (in one or both twins) were excluded. Data included thorough antenatal history, demographic details and intrapartum and postpartum maternal and neonatal details.Results: Prevalence of twins in our study was 1.61% (95% CI 1.3-2%). Out of 69 cases of twin pregnancy 64 cases fulfilled the inclusion criteria. History of ovulation induction was associated with 23% cases. Commonest complications observed were preterm labour (56.5%) anaemia (43.4%) and PIH (22.3%). 30.2% cases delivered vaginally whereas 69.8% patients required c. section, malpresentation being commonest indication. No intrapartum still birth was recorded. Early neonatal death was seen in eight cases, causes were prematurity, hyaline membrane disease and neonatal jaundice. Diamnoitic-dichorionic twins were 90% and 3% cases were monoamniotic monochorionic. Zygosity was calculated by Weinbergs formula and 84% cases were dizygotic while 16% cases were monozygotic. No maternal mortality related to twin pregnancy was reported in present study.Conclusions: All twin pregnancy should be considered as high risk pregnancies and should have mandatory hospital delivery. Early diagnosis, adequate antenatal, intrapartum and postpartum care as well as good NICU back up are the key factors in reducing the complications and improving the perinatal outcome in twin pregnancies.

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“…Twin analysis provides an important method to analyze and study this issue. Current available twin databases are almost exclusively based in western countries, such as the Norwegian Twin Registry (Bergem, 2002), the Danish Twin Registry (Skytthe et al, 2002), the Swedish Twin Registry (Pedersen et al, 2002), the Netherlands Twin Registry (Boomsma et al, 2002), Minnesota (Iacono & McGue, 2002) and Wisconsin (Van Hulle et al, 2002) Twin Twin Registry,Virginia and North Carolina Twin Registries and Mid-Atlantic Twin Registry, Sri Lankan Twin Registry (Sumathipala et al, 2002). Several attempts have also been made in China to establish twin databases; for example, in 2002, Huiying Yang established a database of 8583 pairs of twins (Yang, 2002).…”

Section: Twin Method Twin Databases Sq and Chongqing Children Twins mentioning

confidence: 99%

The Construction and Prospects of the Chongqing Twin Children Database

Xie

Meng³

et al. 2008

Twin Res Hum Genet

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T wins could play a crucial role in our understanding of genetic contributions to numerous etiologically complex disorders. In China, although adult twins are relatively rare, twins will become increasingly available due to increasing twin birth rates. Thus, child twin data will be a valuable resource to contribute to the field of child and adolescent psychopathology. The first twin database of children aged from 6 to 16 was established in Chongqing, R.P., China. In this article, we will discuss our experiences in establishing the twin database, completed in three stepsthe first step being to search and identify twins, the second being to keep contact with the twins and the final being to seek cooperation with the twin families, and its future prospects. Our twin database has proven to be an efficient method for the investigation and data collection of twin children in China. The results of our present study suggest that the inclusion of twin information in the residence registration of the public security bureaus in the future may ensure a smooth run of research based on the demographic resources. We propose that school networks may be adopted as the preferred method of collection of twin records for future studies.

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Sri Lankan Twin Registry

Cited by 22 publications

References 6 publications

The Western Australian Register of Childhood Multiples: Effects of Questionnaire Design and Follow-up Protocol on Response Rates and Representativeness

The Western Australian Register of Childhood Multiples: Effects of Questionnaire Design and Follow-up Protocol on Response Rates and Representativeness

Study of perinatal outcome in twin gestation in rural referral hospital in Maharashtra (India): a cross sectional study

The Construction and Prospects of the Chongqing Twin Children Database

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