The Massouras Duck's Foot (MDF) IUD and the Butterfly IUD have been clinically evaluated. The MDF, which is Y-shaped, has 2 or 3 horizontal arms on a vertical stem and 2 triangular wings, in between the 'V'. When inserted after curettage, it prevents intrauterine or intracervical adhesions. The fan-shaped Butterfly IUD has 2 overlapping wings, thereby facilitating adjustment of the IUD to variable uterine cavities. Its wing span occupies the entire uterine cavity when inserted according to the instructions. Both IUDs are made of polyethylene plastic with barium sulfate. Several substitutions for barium sulfate are suggested, e.g., copper, silver, hormones, biodegradable polymers. The high antifertility action of these IUDs is due primarily to their occupancy of the entire uterine cavity.
{"title":"Management of uterine adhesions with 'Massouras Duck's Foot' and 'Butterfly' IUDs.","authors":"H G Massouras, B Coutifaris, D Kalogirou","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The Massouras Duck's Foot (MDF) IUD and the Butterfly IUD have been clinically evaluated. The MDF, which is Y-shaped, has 2 or 3 horizontal arms on a vertical stem and 2 triangular wings, in between the 'V'. When inserted after curettage, it prevents intrauterine or intracervical adhesions. The fan-shaped Butterfly IUD has 2 overlapping wings, thereby facilitating adjustment of the IUD to variable uterine cavities. Its wing span occupies the entire uterine cavity when inserted according to the instructions. Both IUDs are made of polyethylene plastic with barium sulfate. Several substitutions for barium sulfate are suggested, e.g., copper, silver, hormones, biodegradable polymers. The high antifertility action of these IUDs is due primarily to their occupancy of the entire uterine cavity.</p>","PeriodicalId":84493,"journal":{"name":"Contraceptive delivery systems","volume":"3 1","pages":"25-38"},"PeriodicalIF":0.0,"publicationDate":"1982-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"22004356","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Effect of clinic related factors on continuation rates of IUDs.","authors":"A E Reading, N D Goldstuck","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":84493,"journal":{"name":"Contraceptive delivery systems","volume":"3 1","pages":"1-9"},"PeriodicalIF":0.0,"publicationDate":"1982-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"22003732","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Duration of lactation and return of menstruation in lactating women using hormonal contraception and IUDs.","authors":"K Prema","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":84493,"journal":{"name":"Contraceptive delivery systems","volume":"3 1","pages":"39-46"},"PeriodicalIF":0.0,"publicationDate":"1982-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"22004357","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Injectable norethisterone enanthate contraception: absence of an effect on oral glucose tolerance.","authors":"O F Giwa-osagie, J R Newton","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":84493,"journal":{"name":"Contraceptive delivery systems","volume":"3 1","pages":"61-2"},"PeriodicalIF":0.0,"publicationDate":"1982-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"22004360","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
D A Van Lith, M Du Plessis-alblas, L Querido, K J Van Schie, W Beekhuizen
{"title":"Postabortum insertion of multiload IUD.","authors":"D A Van Lith, M Du Plessis-alblas, L Querido, K J Van Schie, W Beekhuizen","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":84493,"journal":{"name":"Contraceptive delivery systems","volume":"2 4","pages":"337-42"},"PeriodicalIF":0.0,"publicationDate":"1981-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"22033582","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
W A Os, M Thiery, H Van Der Pas, P E Rhemrev, C C De Nooyer, J Kleinhout
{"title":"Comparison of four different models of the Multiload copper IUD.","authors":"W A Os, M Thiery, H Van Der Pas, P E Rhemrev, C C De Nooyer, J Kleinhout","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":84493,"journal":{"name":"Contraceptive delivery systems","volume":"2 4","pages":"275-80"},"PeriodicalIF":0.0,"publicationDate":"1981-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"22034302","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The immediate postinsertion and 3 minute postinsertion pain response in nulliparous women undergoing insertion of either the Copper 7 (Cu 7) or the Multiload Copper 250-short (ML Cu 250-short) IUD has been studied. 35 women were fitted with a Cu 7 device and 23 with the ML Cu 250-short. The immediate postinsertion pain scores were significantly higher in the ML Cu 250-short group than in the Cu 7 group. There was no significant difference between the 3 minutes postinsertion scores for the 2 groups. The 3 minute pain scores were significantly lower than the immediate pain scores for each individual device group. Immediate postinsertion IUD pain may be related to the presenting diameter and insertional mechanism of the device. This pain is of short duration and after 3 minutes, the level of pain is independent of the type of device which has been inserted. The rapid diminution of pain at 3 minutes postinsertion indicates that the routine use of certain analgesic techniques, e.g., paracervical block before IUD insertion, is not justified. Pain following IUD insertion may provide a useful model for the study of various types of peripheral and centrally acting analgesics.
研究了未产妇女插入Copper 7 (Cu 7)或多负荷Copper 250-short (ML Cu 250-short)宫内节育器后即刻和3分钟的疼痛反应。35名妇女安装了Cu 7装置，23名妇女安装了ML Cu 250短装置。ML Cu 250-short组插入后即刻疼痛评分明显高于Cu 7组。两组插入后3分钟评分无显著差异。每个器械组的3分钟疼痛评分明显低于即时疼痛评分。宫内节育器插入后即刻疼痛可能与装置的呈现直径和插入机制有关。这种疼痛持续时间很短，3分钟后，疼痛程度与所插入的器械类型无关。插入后3分钟疼痛迅速减轻表明常规使用某些镇痛技术，例如，宫内节育器插入前宫颈旁阻滞，是不合理的。宫内节育器插入后的疼痛可能为研究各种类型的外周和中枢镇痛药提供有用的模型。
{"title":"A comparison of the initial pain response following insertion of the Copper 7 and combined Multiload Copper 250-short IUDs.","authors":"N D Goldstuck","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The immediate postinsertion and 3 minute postinsertion pain response in nulliparous women undergoing insertion of either the Copper 7 (Cu 7) or the Multiload Copper 250-short (ML Cu 250-short) IUD has been studied. 35 women were fitted with a Cu 7 device and 23 with the ML Cu 250-short. The immediate postinsertion pain scores were significantly higher in the ML Cu 250-short group than in the Cu 7 group. There was no significant difference between the 3 minutes postinsertion scores for the 2 groups. The 3 minute pain scores were significantly lower than the immediate pain scores for each individual device group. Immediate postinsertion IUD pain may be related to the presenting diameter and insertional mechanism of the device. This pain is of short duration and after 3 minutes, the level of pain is independent of the type of device which has been inserted. The rapid diminution of pain at 3 minutes postinsertion indicates that the routine use of certain analgesic techniques, e.g., paracervical block before IUD insertion, is not justified. Pain following IUD insertion may provide a useful model for the study of various types of peripheral and centrally acting analgesics.</p>","PeriodicalId":84493,"journal":{"name":"Contraceptive delivery systems","volume":"2 4","pages":"295-301"},"PeriodicalIF":0.0,"publicationDate":"1981-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"22034305","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
O Hernandez, L M Ballesteros, R Aznar, N M Delgado, A Rosado
{"title":"Intrauterine release of progesterone. II. Modification of macromolecular synthesis of endometrium.","authors":"O Hernandez, L M Ballesteros, R Aznar, N M Delgado, A Rosado","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":84493,"journal":{"name":"Contraceptive delivery systems","volume":"2 4","pages":"319-25"},"PeriodicalIF":0.0,"publicationDate":"1981-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"22034308","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Uterine perforations with Copper T IUDs.","authors":"K Prema, U Malhotra, S D Choudhury, N C Saxena","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":84493,"journal":{"name":"Contraceptive delivery systems","volume":"2 4","pages":"327-29"},"PeriodicalIF":0.0,"publicationDate":"1981-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"22034309","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A Multiload (ML) Cu 250 IUD was inserted manually immediately after childbirth in 200 volunteer women. The patients were followed up at 1, 3, 6, 12, and 24 months. There were no undesirable side effects and no serious complications occurred. No noteworthy bleeding occurred either in the postpartum period or subsequently. Maternal lactation was not affected. During the 2 years, 6 devices were removed for medical reasons and the IUD was expelled spontaneously in only 2 patients. 2 pregnancies occurred among the women who were followed up. Postpartum manual insertion of the ML Cu 250 is a very good method of postpartum contraception because there are no significant complications, the rate of expulsion is minimal, and the efficacy is quite high.
在200名志愿者妇女分娩后立即人工插入多负荷(ML) Cu 250宫内节育器。随访时间分别为1、3、6、12、24个月。无不良反应，无严重并发症发生。产后及产后均未发生明显出血。产妇哺乳期不受影响。2年内，6例患者因医疗原因取出节育器，仅有2例患者自行排出节育器。随访的妇女中有2人怀孕。产后人工插入ML Cu 250是一种非常好的产后避孕方法，因为没有明显的并发症，排出率极低，而且疗效相当高。
{"title":"Postplacental manual insertion of the Multiload Copper 250 IUD.","authors":"V Ruiz-velasco, M Meza, J S Lopez","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>A Multiload (ML) Cu 250 IUD was inserted manually immediately after childbirth in 200 volunteer women. The patients were followed up at 1, 3, 6, 12, and 24 months. There were no undesirable side effects and no serious complications occurred. No noteworthy bleeding occurred either in the postpartum period or subsequently. Maternal lactation was not affected. During the 2 years, 6 devices were removed for medical reasons and the IUD was expelled spontaneously in only 2 patients. 2 pregnancies occurred among the women who were followed up. Postpartum manual insertion of the ML Cu 250 is a very good method of postpartum contraception because there are no significant complications, the rate of expulsion is minimal, and the efficacy is quite high.</p>","PeriodicalId":84493,"journal":{"name":"Contraceptive delivery systems","volume":"2 4","pages":"331-6"},"PeriodicalIF":0.0,"publicationDate":"1981-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"22033581","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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