Bleeding patterns of adolescents using a combination contraceptive injection for 1 year

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• 作者：Maria Silvia Bortolotti de Mello Jacobucci ; Cristina Aparecida Falbo Guazzelli ; Má ; rcia Barbieri ; Fabio Fernando Araú ; jo and Antonio Fernandes Moron
• 刊名：Contraception
• 出版年：2006
• 出版时间：June 2006
• 年：2006
• 卷：73
• 期：6
• 页码：594-597
• 全文大小：121 K

文摘

Purpose

This prospective observational study evaluated the bleeding patterns of adolescents receiving a monthly injectable contraceptive containing norethisterone enanthate 50 mg plus estradiol valerate 5 mg.

Materials and Methods

The study enrolled 73 volunteers aged between 14 and 19 years; of these patients, 38 (52 % ) recorded their menstrual cycles during 1 year.

Results

After 1 year of using the contraceptive, most of the 38 women (71.1 % ) had adequate menstrual patterns (two to four bleeding episodes; none lasting 10 days or longer; with a range of bleeding-free intervals not exceeding 17 days), 23.7 % reported prolonged bleeding episodes, 2.6 % had irregular bleeding and 2.6 % had amenorrhea. Only 1 of the 38 teenagers is known to have discontinued the method due to bleeding. Among these 38 adolescents, dissatisfaction with bleeding patterns was not a frequent reason given for discontinuation of the monthly injectable contraceptive.