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Intrauterine contraception with copper and with levonorgestrel: a randomized study of the TCu 380Ag and levonorgestrel 20 mcg/day devices.

Abstract：

:First year results of a randomized study of 1509 users of the Copper T380Ag with a silver core or of an IUD releasing 20 mcg day of levonorgestrel are reported. The cumulative gross pregnancy rate for each device was 0.3 per 100 at one year, with more than 490 women having one year of use with each device. The levonorgestrel-releasing device was associated with significantly fewer bleeding days and significantly increased hemoglobin levels when compared with pre-admission values or the one year values observed among users of the TCu380Ag. Terminations attributable to amenorrhea were significantly more frequent among users of the levonorgestrel-releasing device. The TCu 380Ag was associated with increased frequency and severity of dysmenorrhea compared with pre-admission levels or with the steroid-releasing device. Hemoglobin levels were somewhat reduced among users of the TCu 380Ag device. Terminations attributable to pain were, however, not significantly different by device. Continuation rates at the end of the first year were not significantly different by device.

journal_name

Contraception

journal_title

Contraception

authors

Sivin I,Alvarez F,Diaz J,Diaz S,el Mahgoub S,Coutinho E,Brache V,Diaz MM,Faundes A,Pavez M

doi

10.1016/0010-7824(84)90036-2

subject

Has Abstract,Author List Incomplete

pub_date

1984-11-01 00:00:00

pages

443-56

issue

5

eissn

0010-7824

issn

1879-0518

pii

0010-7824(84)90036-2

journal_volume

30

pub_type

临床试验,杂志文章,随机对照试验

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