Læknablaðið - 01.04.1975, Page 37

LÆKNABLAÐIÐ
19
and K. D. Shafer). Exerpta med., Internat.
Congress Series, (Amst.), 86, 98, 1965.
SUMMARY
The use of I. U. D. (Intrauterine contracep-
tive device) started in Iceland year 1963 in
close cooperation with Population Council in
New York.
The authors report results from the first
five years follow up of 600 women who used
I. U. D. for 15422 women months.
Pregnancy rate was 1.94 according to Pearl's
formula as modified by Stix — Notestein, that
is the pregnancy rate per 100 years of ex-
posure.
Total number of
R (pregnancy rate) = conceptions x 1200
Total mths of exposure
The authors’ material by now counts over two
thousand women and it can be stated that the
use of I. U. D. is on the increase in the coun-
try. For further information see tables.