Abstract
Prevention of intrauterine contraceptive device expulsion and intolerance: Determination of the anchor mechanism
Highlights
The intrauterine device (IUD) is an important long-acting reversible contraceptive method (LARC) which plays a major role in contraception [1]
We reviewed historical and present day IUDs on a three point rating scale of i) flexibility ii) horizontal to vertical ratio and iii) percentage increase in size of the IUD over mean cavity measurements to determine an Anchor Index(AI) to separate the types of anchor methods the various devices employ
Design should be such that they appear to the endometrial cavity to be a physiological rather than a pathological incumbent
Summary
The intrauterine device (IUD) is an important long-acting reversible contraceptive method (LARC) which plays a major role in contraception [1]. In order to be used successfully a pharmacologically active IUD has to do only two things 1) stay in good position and 2) not give problems. From the perspective of uterine physiology and pathology these two things are potentially mutually exclusive. The IUD has a number of possible problems which prevent its more widespread use. These include producing pain, erratic and excessive bleeding, possible infection, failure to prevent pregnancy and expulsion from the uterine cavity[2]. The management of these problems is variable and dependant on circumstances, except in the case of complete or partial expulsion
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