Factors for expulsion of intrauterine device Tcu380A applied immediately postpartum and after a delayed period

Fortunato Bonilla Rosales; Ma. Esther Aguilar Zamudio; María de Lourdes Cázares Montero; María Eugenia Hernández Ortiz; Miguel Ángel Luna Ruiz

2005, Number 1

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Rev Med Inst Mex Seguro Soc 2005; 43 (1)

Factors for expulsion of intrauterine device Tcu380A applied immediately postpartum and after a delayed period

Bonilla RF, Aguilar ZME, Cázares MML, Hernández OME, Luna RMA

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Language: Spanish
References: 17
Page: 5-10
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ABSTRACT

Objective: To determine the frequency of expulsion of the intrauterine device TCu380A (IUD) inserted either immediately postpartum or after a delayed period. We aimed to identify the factors associated with expulsion.
Materials and Methods: A longitudinal and com-parative study was carried out in three Family Medicine Units of the Instituto Mexicano del Seguro Social (IMSS) of Leon, Guanajuato. One hundred twenty-five women who had a vaginal delivery and who elected to have IUD inserted immediately after delivery participated in the study along with 125 women who elected to have the IUD inserted after a delayed period after delivery. Studied factors were parity, technique, and insertion by the doctors assigned to the service and medical personnel in training (pre or postdegree). A medical review was performed one month and three months after insertion of the IUD. Results were analyzed by chi-square and Student t test.
Results: The expulsion rates of IUDs during immediate puerperium and also after a delayed period were 16 and 2.7%, respectively (p ‹ 0.0004). There was no statistically significant association between expulsion of the IUD and the following factors that were taken into account: age, primipara, personnel who inserted the device, and the application technique. In immediate puerperium, 25.9% of women who had multiple deliveries expelled the IUD, and in those who delayed IUD insertion, it was 4% (p = 0.03)
Conclusions: There is a greater risk of expulsion if the IUD is inserted immediately after delivery and it is associated with multiparity. The percen-tage of expulsion in immediate puerperium is similar to that reported in the literature.

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