Consequences of uterine blood loss caused by various intrauterine contraceptive devices in South American women. World Health Organization Special Programme of Research, Development and Research Training in Human Reproduction

Contraception
A T AndradeP J Rowe

Abstract

Increased menstrual blood loss (MBL) associated with intrauterine device (IUD) use may precipitate or aggravate iron deficiency anaemia, adversely affecting the health of women particularly those from developing countries. Studies were conducted to define the association of MBL and iron status in South American women; to determine the level of MBL induced by IUD use which would result in iron depletion, the length of time for this depletion to occur and, comparing various IUDS, to determine if any currently tested IUDs are suited to long-term use in South American women. A total of 395 women received one of 5 types of IUDs in Santiago, Chile, and Juiz de Fora, Brazil: Lippes Loop, Multiload-250 and Multiload-375 were used in both centres; in Santiago some subjects received the Copper-7 or ProgestasertR devices and in Juiz de Fora, the TCu 200 and the T-Chloroquin IUDs were also tested. MBL and haemoglobin (HGB) were measured for 3 menstrual cycles before insertion, and following insertion, at one, two, four, six, nine, twelve, eighteen and twenty-four months in the majority of cases. Serum ferritin was measured before insertion and at intervals of six months. Mean values of MBL prior to IUD insertion in both centres varied from...Continue Reading

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