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  • Title: Interim insertion of the ML Cu 250 intrauterine contraceptive device.
    Author: Vankets He Thiery M, Van Der Pas H, Delbeke L Van Os WA, Tauber PE, Dombrowicz N, Macdonald JS, Haspels AA, Drogenduk AC.
    Journal: Contracept Deliv Syst; 1980 Apr; 1(2):149-54. PubMed ID: 12336242.
    Abstract:
    This report presents the results of a straight multicenter study of interval placement of the multiload IUD (ML Cu 250), covering a total of 100,871 woman-months. Between 11/74 and 3/78, 4553 interim insertions of the ML Cu 250 were performed in outpatients using the push-in technique. Life-table analysis was used to calculate event rates; a Chi-square test was used for comparison of event rates. Potential effects of age and gravidity/parity were analyzed for 3 years of use. Significantly fewer unwanted pregnancies were observed in women over 30 (p 0.001), as were removals for either bleeding/pain (p 0.001) or other medical reasons (p 0.01). The reverse, however, was found for expulsion rate (p 0.01). There was no significant difference in pregnancy rate and removal rate for other medical reasons (at 3 years) between nulligravidas and women with at least 1 child. Nulligravid IUD users however had significantly more expulsions (p 0.001) and removals for bleeding/pain (p 0.001) than did parous women.
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