Featured Research

from universities, journals, and other organizations

Better outcome for frozen embryo replacement vs IVF

Date:
February 11, 2013
Source:
Society for Maternal-Fetal Medicine
Summary:
Perinatal outcomes of frozen/thawed embryo replacement better compared to fresh IVF, but worse than non-IVF general population.

In a study to be presented on February 14 at the Society for Maternal-Fetal Medicine's annual meeting, The Pregnancy Meeting ™, in San Francisco, California, researchers will present findings showing perinatal outcomes of frozen/thawed embryo replacement (FER) have better outcomes compared to fresh in vitro fertilization (IVF), but worse outcomes compared to the non-IVF general population.

Related Articles


The study collected data from all IVF treatments in Denmark, Norway and Sweden from 1984 -- 2007, then cross-linked with the Nordic Medical Birth Registries. Babies born after FER (6,653) were compared to those born after fresh IVF (42,287) and the general population (288,868). Researchers looked for eight different outcomes: low birth weight, very low birth weight, preterm birth, very preterm birth, small for gestational age, macrosomia (excessive birth weight), large for gestational age, and stillbirth.

"FER is used increasingly in IVF programs to avoid the risks associated with multiple births," said Ulla-Britt Wennerholm, of Sahlgrenska University Hospital in Göteberg, Sweden. "We sought to analyze the outcomes compared to spontaneous conceptions and fresh IVF."

Dr. Wennerholm and her associates found children born after FER had higher rates of PTB, very PTB, LBW, very LBW, LGA, and macrosomia compared to spontaneous conceptions. However, when compared to fresh IVF births, children born after FER fared better, having lower rates of PTB, LBW, and SGA. But they also found children born after FER to have higher rates of LGA and macrosomia than those born from fresh IVF.

Researchers concluded outcomes for FER to be better compared to fresh IVF, but worse compared to the general population. However, they believe the higher rates of LGA and macrosomia compared to fresh IVF will require further attention.

This study was conducted by Ulla-Britt Wennerholm, Sahlgrenska University, Obstetrics and Gynecology, Göteberg, Sweden; Anna-Karina Henningsen and Anja Pinborg, Rigshospitalet, Fertility Clinic, Köpenhamn, Denmark; Liv-Bente Romundstad, St. Olav's University Hospital, Obstetrics and Gynecology, Trodenheim, Norway; Rolv Skjaerven, Medical Birth Register, Bergen Norway; Karl Gösta Nygren, Sophiahemmet, Sophiahemmet, Stockhom, Sweden; Mika Gissler, National Inst. Health and Welfare, THL, Helsinki, Finland; Aila Tiitinen, Helsinki University Central Hospital, Obstetrics and Gynecology, Helsinki, Finland.


Story Source:

The above story is based on materials provided by Society for Maternal-Fetal Medicine. Note: Materials may be edited for content and length.


Cite This Page:

Society for Maternal-Fetal Medicine. "Better outcome for frozen embryo replacement vs IVF." ScienceDaily. ScienceDaily, 11 February 2013. <www.sciencedaily.com/releases/2013/02/130211102215.htm>.
Society for Maternal-Fetal Medicine. (2013, February 11). Better outcome for frozen embryo replacement vs IVF. ScienceDaily. Retrieved April 24, 2015 from www.sciencedaily.com/releases/2013/02/130211102215.htm
Society for Maternal-Fetal Medicine. "Better outcome for frozen embryo replacement vs IVF." ScienceDaily. www.sciencedaily.com/releases/2013/02/130211102215.htm (accessed April 24, 2015).

Share This


More From ScienceDaily



More Health & Medicine News

Friday, April 24, 2015

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

85 Killed in Niger by Meningitis Since Start of Year

85 Killed in Niger by Meningitis Since Start of Year

AFP (Apr. 24, 2015) — A meningitis outbreak in Niger has killed 85 people since the start of the year prompting authorities to close schools in the capital Niamey until Monday. Video provided by AFP
Powered by NewsLook.com
Anti-Malaria Jab Hope

Anti-Malaria Jab Hope

Reuters - News Video Online (Apr. 24, 2015) — The world&apos;s first anti-malaria vaccine could get the go-ahead for use in Africa from October if approved by international regulators. Paul Chapman reports. Video provided by Reuters
Powered by NewsLook.com
3D Food Printing: The Meal of the Future?

3D Food Printing: The Meal of the Future?

AP (Apr. 23, 2015) — Developers of 3D food printing hope the culinary technology will revolutionize the way we cook and eat. (April 23) Video provided by AP
Powered by NewsLook.com
Your Genes Could Influence How Much Mosquitoes Love You

Your Genes Could Influence How Much Mosquitoes Love You

Newsy (Apr. 23, 2015) — New research suggests genetics play a big part in how appetizing you smell to mosquitoes. Video provided by Newsy
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
 
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:  

Breaking News:

Strange & Offbeat Stories

 

Health & Medicine

Mind & Brain

Living & Well

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:  

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile iPhone Android Web
Follow Facebook Twitter Google+
Subscribe RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins