Ann-kathrin Frenz

Berlin, BE, Germany

Last Updated: 09/26/2026

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Found 12 publications

Sleep Pattern Differences in Women at Midlife: A Large-Scale Multi-Country Smartwatch Study (SONAR).

Sleep Pattern Differences in Women at Midlife: A Large-Scale Multi-Country Smartwatch Study (SONAR).

Journal: Sleep

Published: March 23, 2026

Associations between vasomotor symptoms, sleep disturbances, and frequent mood changes individually and within symptom groups across the menopausal transition and early postmenopause: observations from the Study of Women's Health Across the Nation.

Associations between vasomotor symptoms, sleep disturbances, and frequent mood changes individually and within symptom groups across the menopausal transition and early postmenopause: observations from the Study of Women's Health Across the Nation.

Journal: Menopause (New York, N.Y.)

Published: July 24, 2025

Real-world validation of a bleeding prediction algorithm in levonorgestrel intrauterine device users using the MyIUS mobile app.

Real-world validation of a bleeding prediction algorithm in levonorgestrel intrauterine device users using the MyIUS mobile app.

Journal: Contraception

Published: March 31, 2025

Correction: The use of LNG-IUS-19.5 mg in daily gynecological routine practice in Germany: data from the Kyleena™ Satisfaction Study (KYSS).

Correction: The use of LNG-IUS-19.5 mg in daily gynecological routine practice in Germany: data from the Kyleena™ Satisfaction Study (KYSS).

Journal: Archives of gynecology and obstetrics

Published: April 04, 2024

The use of LNG-IUS-19.5 mg in daily gynecological routine practice in Germany: data from the Kyleena™ Satisfaction Study (KYSS).

The use of LNG-IUS-19.5 mg in daily gynecological routine practice in Germany: data from the Kyleena™ Satisfaction Study (KYSS).

Journal: Archives of gynecology and obstetrics

Published: January 16, 2024

Bleeding profile satisfaction and pain and ease of placement with levonorgestrel 19.5 mg IUD: findings from the Kyleena® Satisfaction study.

Bleeding profile satisfaction and pain and ease of placement with levonorgestrel 19.5 mg IUD: findings from the Kyleena® Satisfaction study.

Journal: The European journal of contraception & reproductive health care : the official journal of the European Society of Contraception

Published: November 07, 2022

Satisfaction and continuation with LNG-IUS 12: findings from the real-world kyleena® satisfaction study.

Satisfaction and continuation with LNG-IUS 12: findings from the real-world kyleena® satisfaction study.

Journal: The European journal of contraception & reproductive health care : the official journal of the European Society of Contraception

Published: September 16, 2021

Real-World Assessment of Interferon-β-1b and Interferon-β-1a Adherence Before and After the Introduction of the BETACONNECT® Autoinjector: A Retrospective Cohort Study.

Real-World Assessment of Interferon-β-1b and Interferon-β-1a Adherence Before and After the Introduction of the BETACONNECT® Autoinjector: A Retrospective Cohort Study.

Journal: Drugs - real world outcomes

Published: April 09, 2021

Predicting menstrual bleeding patterns with levonorgestrel-releasing intrauterine systems.

Predicting menstrual bleeding patterns with levonorgestrel-releasing intrauterine systems.

Journal: The European journal of contraception & reproductive health care : the official journal of the European Society of Contraception

Published: December 03, 2020

Digital Medical Device Companion (MyIUS) for New Users of Intrauterine Systems: App Development Study.

Digital Medical Device Companion (MyIUS) for New Users of Intrauterine Systems: App Development Study.

Journal: JMIR medical informatics

Published: September 28, 2020

Design of the Association of Uterine Perforation and Expulsion of Intrauterine Device study: a multisite retrospective cohort study.

Design of the Association of Uterine Perforation and Expulsion of Intrauterine Device study: a multisite retrospective cohort study.

Journal: American journal of obstetrics and gynecology

Published: September 07, 2020

Bleeding patterns with the 19.5 mg LNG-IUS, with special focus on the first year of use: implications for counselling.

Bleeding patterns with the 19.5 mg LNG-IUS, with special focus on the first year of use: implications for counselling.

Journal: The European journal of contraception & reproductive health care : the official journal of the European Society of Contraception

Published: June 22, 2019

Showing 1-12 of 12

Last Updated: 09/26/2026