Results 171 to 180 of about 2,272,470 (209)

Serum Copper in Long-Term Users of Copper Intrauterine Devices

Fertility and Sterility, 1980
A study was undertaken to determine whether long-term use of a copper intrauterine device (IUD) was associated with any alteration in the serum copper levels and thereby whether absorption of copper from the device in utero could result in copper toxicity.
K, Prema, B A, Lakshmi, S, Babu
openaire   +2 more sources

A statistical study of the copper T and copper 7 intrauterine devices

Contraception, 1976
The performance of the Copper T and Copper 7 IUDs over a 3-year period was assessed. A total of 581 women received the Copper T and 297 received the Copper 7. Net cumulative event rates were determined at 12 24 and 36 months/100 women. Both groups were similar with respect to age and parity.
H.D. Gupta, M.I. Belavalgidad, I. Gupta, P.K. Devi   +3 more
openaire   +2 more sources

Corrosion of a new coppergold or copperplatinum intrauterine device

Journal of Biomedical Materials Research, 1982
AbstractIt has been shown previously that supplementing plastic intrauterine devices (IUDs) with copper wire enhances the antifertility effect of the device. The use of copper intrauterine contraceptive devices, however, is currently limited to two to three years, mainly because of wire fragmentation, which was observed as early as after eight months ...
L, Gal-Or, R, Gonen, A, Zilberman, M, Scharf   +3 more
openaire   +2 more sources

The mechanism of action of the copper intrauterine device.

Fertility and sterility, 1976
The effects of copper ions on the binding of steroids to receptors revealed that the inhibitory effect of Cu++ was apparent at 10(-6)M, ANd the binding capacities decreased to 10% at 10(-2)M Cu++. The kinetic study demonstrated that Cu++ was a competitive inhibitor of steroid hormone-receptor binding (Ki divided by 2.7 X 10(-5)M to estrogen receptor ...
T, Tamaya, Y, Nakata, Y, Ohno, S, Nioka, N, Furuta   +4 more
openaire   +3 more sources

Hair copper in intrauterine copper device users.

IRCS journal of medical science, 1984
The antifertility effect of copper-bearing IUDs is based on continuous release of copper, which is a result of the reaction between the metal and the uterine secretions. Released cupric ions collect in the endometrium and in the uterine fluid but significant accumulation has not been found in the bloodstream or elsewhere. Following Laker's suggestion
M, Thiery, A, Heyndrickx, C, Uyttersprot
openaire   +1 more source

Copper intrauterine contraceptive devices and serum essential metals

Advances in Contraception, 1988
Serum levels of the essential metals, iron (Fe), copper (Cu), magnesium (Mg), zinc (Zn), and calcium (Ca), were determined by atomic absorption spectrophotometry in one hundred and twenty randomly selected adult Nigerian female volunteers fitted with copper T or Delta T intrauterine contraceptive devices (IUDs) for a period of 3-18 months, and their ...
S O, Ayangade, O O, Oyelola
openaire   +2 more sources

Experience with the copper 7 intrauterine device in an adolescent population

The Journal of Pediatrics, 1980
A retrospective study was conducted of 120 consecutive patients who received a Cu-7 IUD at the Cincinnati Adolescent Clinic during a four-year period from July, 1974, through June, 1978. Follow-up was obtained in 116 (97%) of the initial patient population. Mean age at initial Cu-7 insertion was 16.8 years; 81% of the patients were nulliparous.
J W, Kulig, J L, Rauh, R L, Burket, H M, Cabot, R R, Brookman   +4 more
openaire   +2 more sources

Intrauterine contraception with the copper-T device

Contraception, 1972
K. Hagenfeldt, E. Johannisson, P. Brenner   +2 more
openaire   +2 more sources

Intrauterine Contraception: Comparison of the Copper T Intrauterine Device with the Levonorgestrel Intrauterine Systems

2016
Women in the USA currently may choose between several intrauterine contraception (IUC) devices, the TCu380A copper T intrauterine device (IUD), the LNG-20 intrauterine system (IUS) containing 52 mg of levonorgestrel, and the LNG-14 containing 13.5 mg of levonorgestrel IUS.
N. Tanya Ohly, Carolyn L. Westhoff
openaire   +1 more source

COPPER-BEARING INTRAUTERINE DEVICES

Clinical Obstetrics and Gynecology, 1974
openaire   +2 more sources