Results 151 to 160 of about 2,272,470 (209)

Risk of uterine perforation with levonorgestrel-releasing and copper intrauterine devices in the European Active Surveillance Study on Intrauterine Devices [PDF]

Contraception, 2015
ObjectivesThe objectives were to identify and compare the incidence of uterine perforation and other medically adverse events associated with levonorgestrel-releasing intrauterine systems (LNG-IUSs, releasing 20 mcg LNG daily) and copper intrauterine ...
Sabine Moehner, Klaas Heinemann, Thai Do Minh   +2 more
exaly   +2 more sources

Comparative contraceptive effectiveness of levonorgestrel-releasing and copper intrauterine devices: the European Active Surveillance Study for Intrauterine Devices [PDF]

Contraception, 2015
ObjectivesThe objective was to measure the rate of unintended pregnancies in women using levonorgestrel-releasing intrauterine systems (LNG IUSs, releasing 20 mcg LNG daily) and copper intrauterine devices (IUDs) in a typical population of IUD users and ...
Sabine Moehner, Klaas Heinemann, Thai Do Minh   +2 more
exaly   +2 more sources

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Progestin intrauterine devices versus copper intrauterine devices for emergency contraception

Cochrane Database of Systematic Reviews, 2023
The copper intrauterine device (Cu-IUD) is a highly effective method of contraception that can also be used for emergency contraception (EC). It is the most effective form of EC, and is more effective than other existing oral regimens also used for EC. The Cu-IUD provides the unique benefit of providing ongoing contraception after it is inserted for EC;
Shaalini, Ramanadhan, Norman, Goldstuck, Jillian T, Henderson, Yan, Che, Kelly, Cleland, Laura E, Dodge, Alison, Edelman   +6 more
openaire   +2 more sources

Six-month expulsion of postplacental copper intrauterine devices placed after vaginal delivery [PDF]

American Journal of Obstetrics and Gynecology, 2018
Background Immediate placement of an intrauterine device after vaginal delivery is safe and convenient, but longitudinal data describing clinical outcomes have been limited.
Arden McAllister, Sarita Sonalkar, Mary D. Sammel   +2 more
exaly   +2 more sources

The corrosion chemistry of copper intrauterine devices

Contraception, 1977
Abstract A combination of chemical and spectroscopic investigations have proven that the corrosion layer on Copper-7 intrauterine devices (IUDs) consists primarily of copper(I) and copper(II) species with lesser amounts of calcium, iron, and nonmetallic components.
K M, Lewis, R D, Archer, A P, Ginsberg, A, Rosencwaig   +3 more
openaire   +2 more sources

Uterine perforation by copper intrauterine device

European Journal of Obstetrics & Gynecology and Reproductive Biology, 1984
Sixteen cases with uterine perforation by a copper intrauterine device (IUD) are presented. In 13 cases the IUD had been inserted within 5 months following delivery, and in 6 cases the insertion had been painful. Missing string was the first sign in most cases. Laparatomy was performed in all cases to remove the IUD.
P K, Heinonen, M, Merikari, J, Paavonen
openaire   +2 more sources

Endometrial morphology with copper-bearing intrauterine devices

Contraception, 1976
Electron microscopic studies of copper (Cu)-T-IUD-bearing endometria using both scanning and transmission electron microscopy (TEM) are extended and CU distribution utilizing an energy dispersive X-ray analyzer is examined. Subjects were 7 39-51 year old patients who had CU-T or CU-7 (220 mm) IUDs inserted 2-54 days prior to hysterect omy.
C, Hsu, A, Ferenczy, R M, Richart, K, Darabi   +3 more
openaire   +2 more sources

The Copper Intrauterine Device and Its Mode of Action

New England Journal of Medicine, 1975
Copper bearing intrauterine devices have become the most reputable effective and safe IUDs available. The reaction between the copper and the body prevents fertilization. An infiltration of polymorphonuclear leukocytes occur in the uterine lumen as a result of the IUD. The daily released copper is equivalent to 1% of the copper taken orally by day.
G, Oster, M P, Salgo
openaire   +2 more sources

INTRAUTERINE CONTRACEPTION USING THE COPPER-SEVEN DEVICE

The Lancet, 1972
Abstract A preliminary study of 342 women over 1196·5 women-months of use of the copper-seven device is described; 32·2% were nulliparous, the rest were multiparous. Insertion was easy in 85%, there were minor problems in 9%, and difficulties in the remaining 6%.
J, Newton, J, Elias, J, McEwan
openaire   +2 more sources

Chemical Reactions of the Copper Intrauterine Device

Fertility and Sterility, 1972
This study investigated the reactions of metallic copper with various biologic substrates to account for the loss of metallic copper in the IUD. Purified copper foil of .005 cm thickness was cut into strips and placed in solutions of the substrates then incubated at 37 degrees C.
openaire   +2 more sources