Contraceptive Usage Clinical Trial
Official title:
Acceptability and Continuation Rate of Implanon in a Brazilian Public Sector
The main side-effect of Implanon is the changes induces in bleeding patterns including
amenorrhea, infrequent to irregular bleeding and frequent and prolonged bleeding; without
any previous symptom and it was characterized as "breakthrough bleeding" (BTB). BTB is the
main causes of early discontinuations. Unfortunately, there is no indication to predict
prior to insertion what sort of bleeding pattern any individual woman may have after
insertion and the proposed treatments were disappointed. Nevertheless, previous studies with
other progestin-only contraceptives (including Implanon) provide evidence that the provision
of adequate and intensive counseling to potential users and new acceptors about bleeding
changes can help to improve method continuation.
The availability of Implanon in the public sector could help in the development of
strategies to introduce the method in the public sector network and the training of medical
residents.
100 women were either allocated to received Implanon contraceptive implant, the LNG-IUS or
TCu380A copper-IUD. The women were allocated according to their preference on each of the
contraceptive methods.
half of the women will receive the common counseling at the clinic and the other 50% will
receive intense counselling about menstrual changes induced by these three contraceptive
methods. The continuation rate up to one year will be evaluated through life-table analysis
;
Allocation: Non-Randomized, Endpoint Classification: Safety Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment
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