Characteristics of uterine bleeding associated with an oral contraceptive containing drospirenone in combination with estetrol: A multicenter observational study
- Authors: Kuznetsova I.V.1, Evsyukova L.V.2
-
Affiliations:
- Vitbiomed+ LLC
- Pavlov Ryazan State Medical University
- Issue: Vol 26, No 3 (2024)
- Pages: 210-215
- Section: ORIGINAL ARTICLE
- URL: https://ogarev-online.ru/2079-5831/article/view/265180
- DOI: https://doi.org/10.26442/20795696.2024.3.202968
- ID: 265180
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Abstract
Background. An unfavorable bleeding pattern is a common reason for refusing to continue hormonal contraception.
Aim. To evaluate the characteristics of uterine bleeding when using a new combined oral contraceptive (COC) containing estetrol and drospirenone (Esteretta®).
Materials and methods. A multicenter observational study included 1402 females aged 18–49 who received Esteretta® for 6 cycles. The frequency, duration, and severity of withdrawal bleeding, as well as the frequency of unpredictable bleeding, were assessed.
Results. The rate of regular withdrawal bleeding was 100%. The proportion of women with heavy menstruation/withdrawal bleeding decreased from 29.6 to 10.07% (p<0.0001). The duration of regular withdrawal bleeding was significantly reduced (p=0.008). The incidence of unpredictable bleeding during COC use decreased from 4.57 to 3.29% (p=0.05). Satisfactory cycle control was observed in 87.43% of women. 2.5% of participants refused to continue using COCs.
Conclusion. Esteretta® provides a high rate of regular withdrawal bleeding and a low rate of unpredictable bleeding. Given the optimal safety profile, this drug may be the first choice for contraception in sexually active women who are not planning a pregnancy.
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##article.viewOnOriginalSite##About the authors
Irina V. Kuznetsova
Vitbiomed+ LLC
Author for correspondence.
Email: ms.smith.ivk@gmail.com
ORCID iD: 0000-0001-5541-3767
D. Sci. (Med.), Prof., Vitbiomed+ LLC
Russian Federation, MoscowLiudmila V. Evsyukova
Pavlov Ryazan State Medical University
Email: ms.smith.ivk@gmail.com
Cand. Sci. (Med.), Assoc. Prof.
Russian Federation, RyazanReferences
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