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A 12-month comparative clinical investigation of a levonorgestrel-releasing intracervical device situated in the uterine cavity or cervical canal. 1996

P Pakarinen, and T Luukkainen, and K Elomaa, and K Ratsula, and P Venesmaa, and J Tuominen, and P Lähteenmäki
Helsinki City Maternity Hospital, Finland.

A randomized study was performed in two clinics in order to compare the efficacy, safety and acceptability of a new model of a levonorgestrel-releasing intracervical device situated either in the cervical canal (group I) or in the uterine cavity (group II). Group I included 151 women (age 18-43) and group II, 147 women (age 19-43). The number of nulliparous women was 145. The total expulsion rate was 9.1%. The expulsion rate was lower among nulliparous women (4.8%) than among parous women (13.1%). There was also a significant difference in the expulsion rates between the two clinics. Two pregnancies occurred in both groups and two of these were ectopic, one in each group. The other two occurred after unnoticed expulsion. These figures give 12-month cumulative pregnancy rates of 1.3% and 1.4% in groups I and II, respectively. Total infection rate was 0.3%. The continuation rates were 82.1% in group I and 85.0% in group II after the first year. At three-month follow-up there were significantly fewer menstrual problems in group I than in group II (p = 0.0266). It is concluded that expulsion is still a problem with a small device but it may be diminished by intrauterine insertion and by selecting the users carefully.

UI MeSH Term Description Entries
D007436 Intrauterine Devices, Medicated Intrauterine devices that release contraceptive agents. Hormone-Releasing IUDs,IUD, Hormone Releasing,Intrauterine Devices, Hormone-Releasing,Intrauterine Devices, Progesterone-Releasing,Medicated Intrauterine Devices,Device, Hormone-Releasing Intrauterine,Device, Medicated Intrauterine,Device, Progesterone-Releasing Intrauterine,Devices, Hormone-Releasing Intrauterine,Devices, Medicated Intrauterine,Devices, Progesterone-Releasing Intrauterine,Hormone Releasing IUD,Hormone-Releasing IUD,Hormone-Releasing Intrauterine Device,Hormone-Releasing Intrauterine Devices,IUD, Hormone-Releasing,IUDs, Hormone-Releasing,Intrauterine Device, Hormone-Releasing,Intrauterine Device, Medicated,Intrauterine Device, Progesterone-Releasing,Intrauterine Devices, Hormone Releasing,Intrauterine Devices, Progesterone Releasing,Medicated Intrauterine Device,Progesterone-Releasing Intrauterine Device,Progesterone-Releasing Intrauterine Devices
D010352 Patient Dropouts Discontinuance of care received by patient(s) due to reasons other than full recovery from the disease. Dropout, Patient,Dropouts, Patient,Patient Dropout
D011247 Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. Gestation,Pregnancies
D011271 Pregnancy, Ectopic A potentially life-threatening condition in which EMBRYO IMPLANTATION occurs outside the cavity of the UTERUS. Most ectopic pregnancies (>96%) occur in the FALLOPIAN TUBES, known as TUBAL PREGNANCY. They can be in other locations, such as UTERINE CERVIX; OVARY; and abdominal cavity (PREGNANCY, ABDOMINAL). Ectopic Pregnancy,Pregnancy, Extrauterine,Ectopic Pregnancies,Extrauterine Pregnancies,Extrauterine Pregnancy,Pregnancies, Ectopic,Pregnancies, Extrauterine
D011446 Prospective Studies Observation of a population for a sufficient number of persons over a sufficient number of years to generate incidence or mortality rates subsequent to the selection of the study group. Prospective Study,Studies, Prospective,Study, Prospective
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000293 Adolescent A person 13 to 18 years of age. Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D014599 Uterus The hollow thick-walled muscular organ in the female PELVIS. It consists of the fundus which is the site of EMBRYO IMPLANTATION and FETAL DEVELOPMENT. Beyond the isthmus at the perineal end of fundus, is CERVIX UTERI (the neck) opening into VAGINA. Beyond the isthmi at the upper abdominal end of fundus, are the FALLOPIAN TUBES. Fundus Uteri,Uteri,Uterine Cornua,Uterine Fundus,Uterus Cornua,Womb,Cornua, Uterine,Fundus Uterus,Fundus, Uterine,Uteri, Fundus,Wombs

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