Originally published September 30 2005
Copper intra-uterine contraception devices being reviewed in New Zealand
by Mike Adams, the Health Ranger, NaturalNews Editor
The copper intra-uterine contraception device (IUD), introduced 25 years ago, has produced varying levels of success, so Massey University in Auckland, New Zealand is reviewing the effectiveness of the device to determine pregnancy rates and possible side-effects such as ectopic pregnancies (when the embryo implants outside of the uterus), reports stuff.co.nz.
The review, under way at the campus's School of Health Sciences, is being spearheaded by Dr Felix Ram, who said he identified a gap in research on the various copper IUDs while working in Britain.
Dr Ram said the small devices, which were introduced over 25 years ago, were thought to vary in their effectiveness at preventing pregnancies.
"Despite many trials, there is uncertainty as to which IUDs work best," Dr Ram said.
The review would look only at randomised controlled trials where women of child-bearing age had been fitted with a copper IUD, he said.
While the primary outcome for the review would be pregnancy rates for each IUD, it may also determine possible side-effects such as ectopic pregnancies (when the embryo implants outside of the uterus).
Data would be analysed using statistical software packages and each device's effectiveness would be represented as a relative risk of pregnancy.
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