Pětileté zkušenosti s antikoncepčními subkutánními implantátynorgestrelu (Norplant)

Five-year Experience with Contraceptive Subcutaneous NorgestrelImplants

Objective:
To evaluate experience with the use of subcutaneous Norplant contraceptives.Design: Retrospective clinical study.Setting: Department Gynaecological and Obstetric Out-patient dept. LEVRET Ltd. Terronská 61,Prague 6.Methods: Between March 1995 and June 2000 Norplant was introduced to 112 women. Of these 75still attend our ambulatory department. The reliability, proceeding with the method and inciden-ce of side-effects which were the reason for premature extraction were investigated.Results: One pregnancy occurred (55 months after insertion), the Pearl index is 0.0046 (during thelast two years 0.0628). 80.3% women continued with the method for more than one year, 78.6%more than 2 years, 76.7% more than 3 years and 61.6% more than 4 years. 24% of the women usedor use temporarily additional therapy of irregular bleeding (norsteroids or an oestrogestagencombination. 14 women (19%) had an early extraction on their own request. The most frequentreason was haemorrhage (6x).Conclusion: Norplant is a highly reliable contraceptive method used by a large percentage ofwomen on a long-term basis. The most frequent side-effect is irregular bleeding which howevercan be controlled in the majority by temporary administration of norsteroids or oestro-gestagenpreparations.

Key words:
Norplant