Investigations of Intrauterine Devices in Macaca Mulatta Monkeys

Copper‐containing IUDs have been demonstrated to be as good, if not better, than other presently used inert devices. There is, however, no consensus on the duration of contraceptive effectiveness of copper‐containing IUDs. The long‐term contraceptive effectiveness of one copper‐containing IUD, the CU‐7‐200 Gravigard®, is evaluated in this report on 514 patients. IUDs were inserted in the intermenstrual period and patients were followed up for as long as 63 months. The probability of pregnancy, expulsion, or removal for medical reasons did not increase with increasing duration of IUD use, but instead appeared to slightly decrease with increasing duration of IUD use. The results of this study indicate that the CU‐7‐200 continues to be an effective contraceptive for at least five years after insertion.

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Long‐term Use Effectiveness of the CU‐7‐200 IUD

Zipper

Medel

Osorio

et al. 1976

Intl J Gynecology & Obste

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Copper IUDs: A review of the literature

Orlans

1974

Contraception

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study of the embryotoxic activity of leukocytes

Sahwi

Moyer

1977

Contraception

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Investigations of Intrauterine Devices in Macaca Mulatta Monkeys

Cited by 7 publications

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Long‐term Use Effectiveness of the CU‐7‐200 IUD

Long‐term Use Effectiveness of the CU‐7‐200 IUD

Copper IUDs: A review of the literature

study of the embryotoxic activity of leukocytes

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