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At least 19 recordsLinked to original sources
PubMed1992

Risk factors for copper T IUD expulsion: an epidemiologic analysis.

Little is known of the factors associated with expulsion of intrauterine devices (IUD). We conducted a nested case-control study to examine the risk factors for copper T IUD expulsion using data from a multicenter international clinical trial. We included 70 cases with expulsion and 1,536 controls, and we examined a variety of characteristics of the IUD wearers. The proportional hazards model showed that young maternal age, abnormal amount of menstrual flow and dysmenorrhea before IUD insertion are risk factors for copper T IUD expulsion. The risk of expulsion steadily increased as age decreased, and as the severity of dysmenorrhea increased.

Adolescent↗
PubMed1995

IUD expulsion solved with implant technology.

In an attempt to minimize the problem of IUD expulsion, implantation technology has been developed and tested. The trials have extended from 1985 until the present time for interval as well as for immediate postabortal and post-placental insertion and fixation of the CuFix IUD (Gyne-Fix). The present article reports on an ongoing study with GyneFix interval insertion, with an improved inserter, in 820 women, observed up to 3 years, of whom 213 (25.9%) are nulligravid/nulliparous. The cumulative expulsion rate is 0.6 per 100 women-years at 3 years and is not significantly higher in the nulligravid/nulliparous group. The cumulative pregnancy rate is 0.6 and the cumulative removal rate for medical reasons 3.2 at 3 years. The total experience in this multicenter study covers approximately 14,000 woman-months. It is concluded that the design characteristics of the GyneFix (fixed, frameless, and flexible) explain the low expulsion, high efficacy and high acceptability rates. The implantation technology is very effective and the improved inserter allows easy insertion and optimal anchoring.

Adult↗
PubMed1983

A rare case of IUD expulsion through the fallopian tube.

This case report describes the expulsion of an IUD (Gravigard) through the Fallopian tube. Such a phenomenon has been suggested earlier but never reported. It is concluded that the shape of the IUD is of importance for such a route of expulsion.

Adult↗
PubMed2006

Risk factors for IUD failure: results of a large multicentre case-control study.

BACKGROUND: This study was conducted to identify the risk factors for intrauterine device (IUD) failure. METHODS: A retrospective case-control study was carried out between 1999 and 2002. Cases (women with an IUD and a confirmed pregnancy) and controls (women with an IUD and who were not pregnant) were recruited by gynaecologists. An anonymous questionnaire was filled in during the consultation, with specific items regarding any type of drugs used before the predicted fertile period for cases and within the cycle that ended in menses for controls. RESULTS: Two hundred and sixteen cases were compared with 657 controls. Age was associated with IUD failure, with a significantly lower failure risk in women>35 years. A significant relationship was observed between a history of IUD expulsion and IUD failure risk (age-adjusted odds ratio 3.31, 95% CI 1.40-7.81). No relationship was observed between the risk of IUD failure and gynaecological background (fibroma, polyps and miscarriage), nor with any type of medicine taken by the woman. CONCLUSION: This study is clearly reassuring, as we found that anti-inflammatory drugs and any other medicines taken by the woman were not implicated in IUD failure. Only a history of previous IUD expulsion was found to be a risk factor for failure, indicating that these women should have regular medical and echographical follow-up. Comparing the efficacy rate of various types of IUDs, we found a clear advantage for levonorgestrel-releasing devices.

Adolescent↗
PubMed1994

Contraceptive efficacy of the Copper T380A and the Multiload Cu250 IUD in three developing countries.

The clinical performance of the Copper T380A (TCu380A) and the Multiload 250 (MLCu250) intrauterine devices (IUDs) were evaluated for 12 months in a group of women who had one of the two IUDs inserted. Results are from a randomized clinical trial conducted at four collaborating research sites located in three developing countries. The gross cumulative life-table pregnancy rate of the TCu380A IUD was significantly lower than the rate with the MLCu250 IUD at 12 months (0.5 and 1.2, respectively, p < 0.01). No statistically significant differences between the two study IUDs were found with regard to IUD expulsion or IUD removal due to bleeding/pain, personal reasons, medical reasons, or planned pregnancy. TCu380A IUD users were more likely to report experiencing increased dysmenorrhea (p < 0.01) or intermenstrual pelvic pain (p < 0.01) than were MLCu250 IUD users. However, few of these users discontinued use of their assigned IUD because of having experienced menstrual bleeding disturbances or intermenstrual pelvic pain. These data indicate that the TCu380A IUD may be a better option than the MLCu250 IUD for women wishing to practice highly effective long-term birth control without having to resort to hormonal methods.

Adult↗
PubMed1994

Clinical performance of the TCu 380A and TCu 220C IUDs in four developing country family planning clinics.

The clinical performance of the Copper T 380A (TCu 380A) and the Copper T 220C (TCu 220C) intrauterine devices (IUDs) were evaluated for 12 months in a group of women who had one of the two IUDs inserted. Results are from a randomized clinical trial conducted at four collaborating research sites located in two developing countries. The gross cumulative life-table pregnancy rate of the TCu 380A IUD was found to be lower than that of the TCu 220C IUD at 12 months (0.3 and 0.8, respectively), although this difference was not statistically significant (p > 0.05). Statistically significant differences between the two study IUDs were not found with regard to IUD expulsion or IUD removal due to bleeding/pain, personal reasons, medical reasons, or planned pregnancy. No statistically significant differences were observed in the frequency of experiencing menstrual disturbances (i.e., dysmenorrhea, intermenstrual pelvic pain or intermenstrual bleeding) between the two IUD groups. These data suggest that the TCu 380A and TCu 220C IUDs are both appropriate options for contracepting women. The TCu 380A IUD, however, may be a more appropriate option for those women wishing to space births over a longer period of time.

Adolescent↗
PubMed1995

Clinical performance of the TCu 380A and Lippes Loop IUDs in three developing countries.

The clinical performance of the Copper T 380A (TCu 380A) and the Lippes Loop intrauterine devices (IUDs) were evaluated for 12 months in a group of 710 women who had one of the two IUDs inserted. Results are from a randomized clinical trial conducted at three collaborating research sites located in three developing countries. The gross cumulative life-table pregnancy rate of the TCu 380A IUD was found to be lower than that of the Lippes Loop IUD at 12 months (0.7 and 2.1 per women, respectively). Although this difference was not statistically significant (p = 0.25), it is similar to findings from other studies. The 12-month cumulative removal rate due to personal reasons was significantly different (1.4 and 0.0, respectively, p = 0.05). Statistically significant differences between the two study IUDs were not found with regard to IUD expulsion or IUD removal due to bleeding/pain, medical reasons, planned pregnancy or investigator's choice. A statistically significant difference (p = 0.03) was observed in the number of TCu 380A IUD users experiencing dysmenorrhea (26.1%) during the 12-month study period, compared to Lippes Loop IUD users (18.8%).

Adolescent↗
PubMed1982

Role of retention in avoiding expulsion of IUDs--measuring devices for basic research.

320 medicated IUDs were removed from 292 women by means of the dynamometer. This instrument indicates the highest retention force (HRF) in newtons (N). Ages of the women ranged from 17-50 years. The IUDs were fitted in nulligravidae (56%), nulliparous with 1 or more abortions (13%), primiparous (18%), and multiparous (13%) women. The IUDs used were the ML Cu 250-standard, 7 Cu 200, T Cu 200-adapted, with a shortened transversal arm of 15-30 mm and T Cu 200 standard. With the low expulsion rate, the ML Cu 250-standard IUD needed 5.8-5.4N and the 7 Cu 200 3.8-2.6N. The adapted T Cu 200 IUD needed 2.6-1.6N, i.e., about 1N more thant the T Cu 200-standard with an HRF of 1.7-1.0N. As the dynamomoeter only indicated the highest retention force, a retentiograph was devised to demonstrate the different retention forces and phases of the various IUDs by characteristic curves. The possible connections between retention and expulsion of IUDs are discussed. The retention forces of the different IUDs compared are congruent with the published expulsion rates. The retentiograph showed new patterns to test IUDs before they demonstrate side effects in vitro.

Age Factors↗
PubMed1983

Effects of breastfeeding on IUD performance.

The effect that lactation might have on intrauterine device (IUD) performance was investigated by using data from a series of multicenter clinical trials. Life-table methods were applied to compare breastfeeding and non-breastfeeding women with respect to IUD expulsion, accidental pregnancy, IUD removal for various reasons, and overall continuation of IUD use. Results indicate that breastfeeding does not increase the risk of expulsion or other events, whether the device is inserted immediately (within ten minutes) or more than 42 days after delivery. (Am J Public Health 1983; 73:384-388.)

Age Factors↗
PubMed1996

Post-partum contraception.

The choice of a post-partum contraceptive method depends on many factors, including the need for a temporary versus a permanent method, the infant feeding choice and the extent to which informed consent is made prior to delivery. For maximum protection, the non-breast-feeding woman should be protected from the fourth week post-partum, even if that means using a temporary method, such as condoms or spermicides, until her method of choice is procured. Combined oestrogen/progestin methods should be avoided by all women for 2-3 weeks to avoid elevating the risk of thromboembolism. Preparations containing oestrogen should be avoided altogether during lactation because they have been associated with a reduction in milk production. POPs, implants and injectables are appropriate regardless of infant feeding choice. They can be administered immediately post-partum in bottle-feeding women, but should ideally be postponed for 6 weeks in breast-feeding women. It is best to insert IUDs within 10 minutes of delivery of the placenta, in order to minimize the risk of IUD expulsion. Insertion immediately after expulsion of the placenta requires special training, and expulsion rates are reduced with the insertion experience of the practitioner. Breast-feeding is not associated with an increase in IUD expulsion or uterine perforation, and it is associated with fewer removals for bleeding or pain. Tubal sterilization is safe, convenient and cost-effective when performed immediately after delivery, but it requires extensive counselling and fully informed consent prior to the onset of labour to avoid potential regret over post-partum tubal ligation. If the procedure is performed immediately, any effect on the establishment of lactation may be minimized. LAM is a method that can only be used by breast-feeding women. It may prove to be a useful way to time the commencement of a second, less temporary contraceptive method. Natural family planning methods require a period of abstinence for the establishment and identification of the new symptoms of fertility. When LAM is used during this interval, the need for abstinence may be reduced significantly for breast-feeding women. Breast-feeding provides health benefits for the woman and her infant, as well as the best possible nutrition for the baby. The International Planned Parenthood Federation (1990) (among others) recommends that, 'As far as is practicable, all women should be advised and encouraged to breastfeed fully'. The infant feeding decision affects the choice of a contraceptive method, and this is an important reason for the woman's physician to be interested in her infant feeding choice.

Breast Feeding↗
PubMed1998

Twelve-month comparative multicenter study of the TCu 380A and ML 250 intrauterine devices in Bangkok, Thailand.

The long-term effectiveness of the copper-bearing intrauterine device (IUD) has been documented. This paper reports 12-month results from a multiyear comparative study of the Copper T (TCu) 380A and Multiload (ML) 250 IUD in Bangkok, Thailand, among 1396 women. Continuation of the assigned IUD was relatively high after 12 months of use, with continuation rates of 90.17 and 87.54 per 100 women, respectively. Whereas the accidental pregnancy rate was higher for the ML 250 IUD than for the TCu 380A IUD (1.0 and 0.2 per 100 women, respectively), this difference was not considered statistically significant (p < 0.69). The rate of IUD expulsion was significantly higher among women using the ML 250 IUD than for women using the TCu 380A IUD (4.61 and 2.40 per 100 women, respectively, p = 0.05).

Adult↗
PubMed1998

The comparative trial of TCu 380A IUD and progesterone-releasing vaginal ring used by lactating women.

The objective of this paper was to compare the efficacy, acceptability, safety, and bleeding pattern of TCu 380A intrauterine device (IUD) and progesterone-releasing vaginal ring used by breastfeeding women. The study population included 97 breastfeeding women using IUD and 100 women using vaginal ring. Of the IUD users, no insertion failure, perforation, or accidental pregnancy occurred in 12 months. There was one IUD expulsion. There were no discontinuations of IUD due to medical reasons other than expulsion. The total discontinuation rate was 2.3%. In the ring group, no accidental pregnancy occurred. The major reasons for discontinuation were ring use-related problems and vaginal problems. The total discontinuation rate was 65.4% within 1 year. The frequency of any one complaint among the ring users was higher than that among the IUD users. There were no differences in the proportion of women having no sexual activity and in the weight of their babies between the two groups. Compared with the IUD users, the median number of bleeding/spotting (B/S) episodes and B/S days of the vaginal ring users were fewer; consequently, the mean length of B/S-free interval was longer in all four reference periods; the mean length of B/S episode and segment were the same; the occurrence of amenorrhea was more frequent; in contrast, the proportions of normal bleeding patterns were fewer. The frequencies of prolonged bleeding, frequent bleeding, and infrequent bleeding patterns did not differ between the two groups. The percentage of irregular bleeding was fewer only in the first two reference periods. It is concluded that the TCu 380A IUD and progesterone-releasing vaginal ring used by breastfeeding women are safe and effective. The higher discontinuation rate of the ring users was mainly because of use-related problems. Breastfeeding women with TCu 380A IUD had better tolerance and acceptability. The TCu 380A IUD does not, but the progesterone-releasing vaginal ring does, suppress the recovery of ovarian function. However, once return of menstruation occurred, there were no differences in bleeding patterns between the two contraceptive methods.

Administration, Intravaginal↗
PubMed1980

Intrauterine device termination rates and the menstrual cycle day of insertion.

World-wide clinicians apparently prefer to insert the intrauterine device (IUD) during the bleeding phase of the menstrual cycle. To examine the benefits and risks of inserting IUDs at various times during the menstrual cycle, data on over 9000 women having copper T-200 IUD insertions were analyzed. During the first 2 months after IUD insertion: 1) rates of IUD expulsion are lower the later in the menstrual cycle ;he IUD is inserted; 2) rates of IUD removal for pain and bleeding and rates of accidental pregnancy, are higher the later in the menstrual cycle IUD is inserted, particularly after day 17. The present analysis suggests that the above are probably causal associations. It is estimated that 1000 insertions before day 11 will result in 9 more terminations of IUD use for expulsion, pain and bleeding, and accidental pregnancy than if the insertions are done after day 11. Furthermore, the copper T-200 IUD can be inserted with relative safety on the day it is requested if the woman's history indicates that she is unlikely to be pregnant. There is no justification for a blanket policy of inserting IUDs only during the menses.

Adult↗
PubMed1990

The role of echosonography in diagnosing IUD complications.

One hundred and one healthy women with intrauterine devices (IUDs) were studied by echosonography; 46 women had Multiload Cu375 IUD (group I), 30 Ginetik TCu220 IUD (group II) and 25 Lippes loop IUD (group III). In groups I and II echosonography was performed 30 minutes, 30 days and 3 and 6 months following insertion. Group III was investigated only when complications developed. Echosonography showed high accuracy in detecting IUD expulsion or incorrect position, and pregnancy in the IUD wearer.

Adolescent↗
PubMed1992

Postpartum IUDS: keys for success.

Intrauterine device (IUD) insertion is convenient and efficient in the postplacental and immediate postpartum periods. Insertion at these times is demonstrably safe, having a low incidence of infection, few bleeding problems, and low perforation rates. IUD expulsion rates can vary widely, and are a function of timing of insertion, type of IUD, and insertion technique. When a copper T device is inserted postplacentally or immediately postpartum by an experienced and trained clinician, expulsion rates of about 7-15 per 100 users at six months can be expected. Women must be told how to detect expulsions and instructed to return for reinsertion or for another method. Most investigators emphasize that high fundal IUD placement will reduce the expulsion rate. Unplanned pregnancy rates for postplacental IUD insertion range from 2.0-2.8 per 100 users at 24 months when using modern copper IUDs, correct insertion technique, careful postinsertion instructions and good follow-up. Postplacental insertions are performed manually or with a ring forceps. Immediate postpartum insertions (10 minutes to 48 hours after delivery) are performed with the ring forceps.

Contraception↗