As a result of physical aging of intrauterine therapeutic systems, in utero incrustments form on the rate-controlling membrane of the IUSs.
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In utero incrustation of intrauterine systems--consequent complications and monitoring.
Fertil Steril
May 2007
Second Department of Obstetrics and Gynecology, Budapest, Hungary.
As a result of physical aging of intrauterine therapeutic systems, in utero incrustments form on the rate-controlling membrane of the IUSs.
View Article and Find Full Text PDFComparison of surface morphology and composition of intrauterine devices in relation to patient complaints.
Contraception
August 2004
Second Department of Obstetrics and Gynecology, Semmelweis University, Ullói Street 78/a, H-1082 Budapest, Hungary.
The morphology and the related composition of T-type intrauterine devices (IUDs) made of gold-plated copper were studied in relation to patient complaints. The removed IUDs were examined without pretreatment by scanning electron microscopy and energy dispersive x-ray spectroscopy. Besides the previously found incrustation formation, lamination cracks were observed on the surface of gold-plated copper IUDs causing various side effects (abdominal pain, inflammatory complication).
View Article and Find Full Text PDFPlacental calcium pump: clinical-based evidence.
Pediatr Pathol Mol Med
December 2003
Mallory Institute of Pathology, Boston University School of Medicine, Boston, Massachusetts, USA.
Placenta can be considered as a pump of calcium necessary for the normal development of the fetus. We believe that the location of this pump is in the placental basement membrane. The calcification of this membrane has been described only in cases of in utero fetal death.
View Article and Find Full Text PDFCharacterization of calcified deposits on contraceptive intrauterine devices.
Contraception
November 1998
Second Department of Obstetrics and Gynecology, Medical School, Semmelweis University, Budapest, Hungary.
The formation of calcified deposits on > 200 contraceptive intrauterine devices (IUD) was quantitated as a function of time in healthy women, pregnant women, and women with a pathologic lesion. The incrustment formation was significantly enhanced when inflammation occurred, but change could not be observed in cases of pregnancy. The incrustments were analyzed by x-ray diffraction, infrared spectroscopy, x-ray microprobe, and ultramicrochemical stone analysis techniques.
View Article and Find Full Text PDFClinicopathological problems of the local tissue effect of the copper-releasing intrauterine contraceptive device (IUD). I. General characteristics of the copper-containing IUD (clinical study).
Acta Chir Hung
September 1989
2nd Department of Gynaecology and Obstetrics, Semmelweis University Medical School, Budapest, Hungary.
As a first part of their series, authors discuss the clinicopathological problems of the tissue effects of copper-containing IUDs. They stress the possibilities of local injury caused by copper ions which play a role in enhancing the contraceptive effects.
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