Polished but pointless? Assessing the potential of gold and silver-alloy IUDs versus copper-only devices in a large multinational cohort (EURAS- LCS12)
Boehnke Tanja, Lisa Eggebrecht, Rizzo Manuel, Klinghardt Moritz, Klaas Heinemann
•2026 Contraception & Reproductive Health Care → DOI
Contraception
Endometriosis and risk of depression among oral contraceptive users: a pooled analysis of cohort studies from 13 countries
Pauline De Corte, Milhoranca Igor Andre, Oberg Anna Sara, Kurth Tobias, Mechsner Sylvia, Klaas Heinemann
•2025 Human Reproduction. 2025; 1-8. 10.1093/humrep/deae299. → DOI
Endometriosis
Population characteristics of intrauterine device users in real-world clinical practice across Europe – insights from the EURAS-LCS12 study
Lisa Eggebrecht, Bauerfeind Anja, Boehnke Tanja, Rizzo Manuel, Hagemann Christine, Jens A. Lange, Viet Mareike, Karl Pauls, von Stockum Sophia, Klinghardt Moritz, Klaas Heinemann
•2025 Contraception and Reproductive Medicine. 2025; 10.1186/s40834-025-00353-8. → DOI
Contraception
Real-world use of antispasmodic drugs during IUD insertion – insights from the large observational study EURAS-LCS12
Lisa Eggebrecht, Rizzo Manuel, Klinghardt Moritz, Boehnke Tanja, Clare Barnett, Klaas Heinemann
•2025 Contraception & Reproductive Health Care . 2025; 10.1080/13625187.2025.2480086. → DOI
Contraception
Risk of venous thromboembolism associated with chlormadinone acetate- and levonorgestrel-containing combined oral contraceptives – Insights from the retrospective RIVET-RCS study
Pauline De Corte, Klinghardt Moritz, Bauerfeind Anja, Boehnke Tanja, Klaas Heinemann
•2025 Contraception. 2025; 10.1016/j.contraception.2025.111251. → DOI
Contraception
Use of oral medications prior to IUD insertion – Trends and associations of patient characteristics in a large observational study in Europe (EURAS-LCS12)
Klinghardt Moritz, Rizzo Manuel, Boehnke Tanja, Clare Barnett, Klaas Heinemann, Lisa Eggebrecht
•2025 Eur J Obstet Gynecol Reprod Biol.. 2025; 10.1016/j.ejogrb.2025.114789. → DOI
Contraception
Venous Thromboembolic Risk of Estradiol Valerate–Dienogest Compared with Ethinyl Estradiol–Levonorgestrel Combined Oral Contraceptives.
Bauerfeind Anja, von Stockum Sophia, Boehnke Tanja, Klaas Heinemann
•2024 Obstetrics & Gynecology. 2024; 10.1097/AOG.0000000000005509. → DOI
Contraception
Does the shape of the copper intrauterine device play a role in expulsion? Results from the ongoing European Active Surveillance Study on LCS12
Boehnke Tanja, Bauerfeind Anja, Lisa Eggebrecht, Cellier Camille, Jens A. Lange, Klaas Heinemann, Madden Tessa
•2024 Contraception. 2024; https://doi.org/10.1016/j.contraception.2024.110444. → DOI
Contraception
Impact of progestin type on the risk of drug interactions between combined oral contraceptives and psychotropic drugs: A pooled analysis of real-world data
Boehnke Tanja, Franke Christian, Bauerfeind Anja, Klaas Heinemann, Kolberg-Liedtke Cornelia, Koelkebeck Katja
•2024 Contraception. 2024; 10.1016/j.contraception.2024.110786. → DOI
Contraception
Time to Diagnose Endometriosis: Current Status, Challenges and Regional Characteristics – A Systematic Literature Review
Pauline De Corte, Klinghardt Moritz, von Stockum Sophia, Klaas Heinemann
•2024 BJOG: An International Journal of Obstetrics & Gynaecology. 2024; 1-13. 10.1111/1471-0528.17973. → DOI
Endometriosis
Unravelling the Causal Relationship between Endometriosis and the Risk for Developing Venous Thromboembolism: A Pooled Analysis
Pauline De Corte, Milhoranca Igor Andre, Mechsner Sylvia, Oberg Anna Sara, Kurth Tobias, Klaas Heinemann
•2024 Thrombosis and Haemostasis. 2024; 10.1055/a-2407-9498. → DOI
Endometriosis
How did regional lockdowns during the COVID-19 pandemic affect recruitment into a large multinational cohort study of intrauterine device users?
Boehnke Tanja, Lisa Eggebrecht, Viet Mareike, Klaas Heinemann, Bauerfeind Anja
•2023 Contraception. 2023; 10.1016/j.contraception.2023.110003. → DOI
Contraception
Pregnancy and pregnancy outcomes in a prospective cohort study: Final Results from the Nexplanon Observational Risk Assessment Study (NORA)
Reed Suzanne, Do Minh Thai, Jens A. Lange, Koro Carol, Klaas Heinemann
•2022 Contraception. 2022; 10.1016/j.contraception.2022.109920. → DOI
Contraception
Thromboembolic safety of norethisterone vs levonorgestrel in combined oral contraceptive users: a pooled analysis of 4 large prospective cohort studies
Clare Barnett, Bauerfeind Anja, von Stockum Sophia, Klaas Heinemann
•2022 AJOG Global Report. 2022; 10.1016/j.xagr.2021.100041. → DOI
Contraception
Long-term treatment of endometriosis with dienogest: Real-world results from the VIPOS study
Moehner Sabine, Becker Kerstin, Jens A. Lange, von Stockum Sophia, Serrani Marco, Klaas Heinemann
•2021 Journal of Endometriosis and Pelvic Pain Disorders. 2021; 10.1177/2284026521993688. → DOI
Endometriosis