• English
    • íslenska
  • English 
    • English
    • íslenska
  • Login
View Item 
  •   Home
  • Journal Articles, Peer Reviewed (Ritrýndar vísindagreinar)
  • Icelandic Journal Articles (Peer Reviewed)
  • View Item
  •   Home
  • Journal Articles, Peer Reviewed (Ritrýndar vísindagreinar)
  • Icelandic Journal Articles (Peer Reviewed)
  • View Item
JavaScript is disabled for your browser. Some features of this site may not work without it.

Browse

All of HirslaCommunitiesAuthorsTitleSubjectsSubject (MeSH)Issue DateJournalThis CollectionAuthorsTitleSubjectsSubject (MeSH)Issue DateJournal

My Account

LoginRegister

Local Links

FAQ - (Icelandic)FAQ - (English)Hirsla LogosAbout LandspitaliLSH Home PageLibrary HomeIcelandic Journals

Statistics

Display statistics

Þrí- og fjórburafæðingar á Íslandi 1982-1998

  • CSV
  • RefMan
  • EndNote
  • BibTex
  • RefWorks
Thumbnail
Name:
L1999-12-85-F4.pdf
Size:
449.6Kb
Format:
PDF
Description:
Allur texti - Full Text
Download
Average rating
 
   votes
Cast your vote
You can rate an item by clicking the amount of stars they wish to award to this item. When enough users have cast their vote on this item, the average rating will also be shown.
Star rating
 
Your vote was cast
Thank you for your feedback
Authors
Guðjón Vilbergsson
Sæmundur Haraldsson
Issue Date
1999-12-01

Metadata
Show full item record
Other Titles
Higher order multiple births in Iceland 1982-1998
Citation
Læknablaðið 1999, 85(12):975-80
Abstract
Objective: To investigate the incidence of higher order multiple pregnancies in Iceland during the last 17 years. Background: The incidence of higher order multiple births has been rising in many countries during the last 10-20 years. This increase is mostly due to more successful treatment of infertility. In order to answer the question how the incidence of multiple pregnancies has been during recent years, the following study was undertaken. Material and methods: Informations about multiple pregnancies were gathered from the records of the Icelandic Birth Registry for the years 1982-1998. Results: There was a total of 73,164 births during this period, including 960 twins and 34 higher order multiple births (33 triplets and one quadruplets birth). The period was divided into the period prior to and after in vitro fertilisation - IVF. The latter period was then divided into two parts creating three groups with a similar total number of births that was nearly equally divided between these three groups. Twin births were 239, 298 and 423 in each group and the incidence increased from 1:103 to 1:85 and 1:55 as a proportion of total births in each period. The number of higher order multiple births was four, nine and 21 in the three periods giving an incidence of 1:6127, 1:2803 and 1:1116. There was therefore an increase in multiple births during this period and the increase in higher order multiples was greater than for twins. Of the 103 higher order multiple babies born four died, giving a perinatal mortality of 38.8%o. Mean gestational age at birth was 33.3 weeks, ranging from 27 to 37 weeks. All babies were delivered by Cesarean section. The first born baby of the triplets was generally the heaviest one and the last born the lightest. The mean birth weight of the last born was close to -2 standard deviation (SD) as compared with singletons of the same gestational age. Conclusions: The incidence of multiple births has been increasing in Iceland during the last 17 years and specially during the last decade. The increase is mostly in the era after IVF treatment became more successful.
Tilgangur: Athuga tíðni þrí- og fjórburafæðinga á Íslandi á síðustu 17 árum. Inngangur: Fleirburafæðingum hefur verið að fjölga víðs vegar í heiminum, aðallega vegna árangursríkari meðferða við ófrjósemi. Fleirburafæðingum hafði farið fækkandi hér á ári, en margt bendir til að þeim sé að fjölga aftur. Efniviður og aðferðir: Upplýsingar voru fengnar úr fæðingartilkynningum hjá fæðingarskráningunni um fleirburameðgöngur fyrir árin 1982-1998. Reiknaðar voru tíðnitölur sem hlutfall af öllum fæðingum og borið saman við tölur fyrir tvíburafæðingar. Tímabilinu var skipt upp í tíma fyrir og eftir glasafrjóvgun (in vitro fertilisation, IVF) og seinna tímabilinu skipt í tvö fimm og hálfs árs tímabil til að fá þá þrjá nokkuð jafnstóra hópa hvað varðar heildarfjölda fæðinga. Niðurstöður: Alls voru 73.164 fæðingar á tímabilinu, þar af 960 tvíburar og 34 þrí- og fjórburar (þar af 33 þríburar og einir fjórburar). Fjöldi tvíbura var 239, 298 og 423 í hverjum hópi og tíðni tvíbura því 1:103, 1:85 og 1:55, þegar borið var saman við heildarfjölda fæðinga. Þrí- og fjórburafæðingar voru fjórar, níu og 21 og sambærileg tíðni þeirra því 1:6127, 1:2803 og 1:1116. Aukning á tíðni þrí- og fjórburafæðinga var meiri en á tvíburafæðingum. Af 103 börnum sem voru í þrí- og fjórburahópnum dóu fjögur á burðarmálstíma og því var burðarmálsdauði 38,8%o meðal þeirra. Meðgöngulengd var frá 27-37 vikur og að meðaltali 33,3 vikur. Öll börnin voru tekin með keisaraskurði. Fyrst fæddur þríburi var að meðaltali þyngstur og síðast fæddur léttastur. Meðalþyngd hins síðast fædda var nálægt tveimur staðalfrávikum undir meðallagi einbura miðað við sömu meðgöngulengd. Ályktanir: Tíðni fleirburafæðinga hefur aukist á íslandi á þessu tímabili og sérstaklega á síðasta þriðjungi þess. Þessi aukning virðist falla saman við tímabilið þegar glasafrjóvgunarmeðferðir urðu árangursríkari.
Description
Neðst á síðunni er hægt að nálgast greinina í heild sinni með því að smella á hlekkinn View/Open
Additional Links
http://www.laeknabladid.is
Collections
Icelandic Journal Articles (Peer Reviewed)

entitlement

 

DSpace software (copyright © 2002 - 2021)  DuraSpace
Quick Guide | Contact Us
Open Repository is a service operated by 
Atmire NV
 

Export search results

The export option will allow you to export the current search results of the entered query to a file. Different formats are available for download. To export the items, click on the button corresponding with the preferred download format.

By default, clicking on the export buttons will result in a download of the allowed maximum amount of items.

To select a subset of the search results, click "Selective Export" button and make a selection of the items you want to export. The amount of items that can be exported at once is similarly restricted as the full export.

After making a selection, click one of the export format buttons. The amount of items that will be exported is indicated in the bubble next to export format.