WEDNESDAY, Jul 4 (HealthDay News) — Transplanting only one
embryo during assisted facsimile treatments reduces a risk of
preventable tot deaths that start only before or shortly after birth,
which is termed perinatal mortality, Australian researchers report.
“The series of embryos eliminated per procession is a major
determinant of mixed pregnancy and mixed delivery, that contribute
to an towering risk of preterm birth and low birth weight, and a [health
consequences],” pronounced Elizabeth Sullivan, from a perinatal and
reproductive epidemiology investigate section of a University of New South
Wales in Sydney.
“These are risks in further to those already faced by women being
treated for infertility,” Sullivan pronounced in a news recover from the
European Society of Human Reproduction and Embryology.
For a study, researchers examined some-more than 50,200 births resulting
from in vitro fertilization (IVF) or intra cytoplasmic spermatazoa injection
(ICSI) treatment. IVF involves stealing an egg from a woman, fixation it
with spermatazoa in a exam tube, afterwards transferring a ensuing bud to the
woman’s womb. With ICSI, a form of IVF, spermatazoa is injected directly into
The babies were innate during some-more than 20 weeks’ rehearsal and/or weighed
more than 14 ounces (400 grams) during birth. They found 813 perinatal deaths
overall, that enclosed 630 stillbirths and 183 deaths within a initial 28
days of life.
The researchers distributed a risk of perinatal mankind was 53
percent aloft for a two-embryo send than for a send of one
They remarkable this risk was even aloft for a send of uninformed (not
frozen) embryos. Births following a send of dual uninformed embryos had a
74 percent aloft risk of perinatal death than a uninformed singular embryo
The investigate was scheduled for display Wednesday during a annual
meeting of a European Society of Human Reproduction and Embryology in
The researchers pronounced a adoption of a singular embryo transfer policy
for IVF in Australia and New Zealand resulted in a rebate in overall
perinatal deaths for all babies recognised by assisted reproduction
“Australia and New Zealand have shown that in a right policy
environment, a intentional change to [single bud transfer] use is
achievable,” Sullivan noted.
“The suit of singular embryo transfers in Australia/New Zealand IVF
rose from 14.2 percent in 1999 to 67.8 percent in 2008,” she said. This
was accompanied by a decrease in mixed deliveries of 13.7 percentage
points — from 22.1 percent in 2000 to 8.4 percent in 2008, Sullivan
For non-donor IVF cycles in women younger than 35 years old, the
authors suggest singular bud send be a order of thumb.
Data and conclusions presented during meetings should be considered
preliminary until published in a peer-reviewed medical journal.
The U.S. National Institutes of Health provides some-more information on in vitro fertilization (IVF).
Source: Article Source