Study Type: Prospective Cohort

Bardenheuer Kristina, Dinger Jürgen, Franke Christian, Hagemann Christine, Moehner Sabine, Unintended pregnancies in users of different combined oral contraceptives - final results from the INAS-SCORE study. Pharmacoepidemiology and Drug Safety. 2015; 24 (S1): 1–587. 10.1002/pds.3838.

Bardenheuer Kristina, Heinemann Klaas, Do Minh Thai, Franke Christian, Cardiovascular Safety in Users of Different Combined Oral Contraceptives - Final Results from the INAS-SCORE study Pharmac. 2015; (24) S1, 1–587. 10.1002/pds.3838.

Heinemann Klaas, Reed Suzanne, Moehner Sabine, Do Minh Thai, Risk of uterine perforation with levonorgestrel-releasing and copper intrauterine devices in the European Active Surveillance Study on Intrauterine Devices. Contraception. 2015; 10.1016/j.contraception.2015.01.007.

Dinger Jürgen, Bardenheuer Kristina, Heinemann Klaas, Cardiovascular and general safety of a 24-day regimen of drospirenone-containing combined oral contraceptives: final results from the International Active Surveillance Study of Women Taking Oral Contraceptives. Contraception. 2014; Apr; 89(4): 253–63.. 10.1016/j.contraception.2014.01.023.

Bardenheuer Kristina, Dinger Jürgen, Do Minh Thai, Venous thromboemolism in users of a 24-day regimen of a combined oral contraceptive compare to conventional 21-day regimens: final results from the INAS-OC study. Pharmacoepidemiology and Drug Safety. 2013; 22(S1) 1-521. 10.1002/pds.3512.

Heinemann Klaas, Ectopic pregnancies under IUD use: interim results from the EURAS-IUD study Pharmacoepidemiology and Drug Safety. 2013; 22(S1) 1-521. 10.1002/pds.3512.

Heinemann Klaas, Breastfeeding as as risk factor for uterine preforation during IUD insertion: interim results from the ERUAS-IUD study Pharmacoepidemiology and Drug Safety. 2013; 22(S1) 1-521. 10.1002/pds.3512.

Dinger Jürgen, Heinemann Klaas, Transatlantic active surveillance of cardiovascular safety (TASC) of an Etonogestrel/Ethinylestradiol-containing vaginal ring. Pharmacoepidemiology and Drug Safety. 2013; 22(S1) 1-521. 10.1002/pds.3512.

Heinemann Klaas, Assmann Anita, Dinger Jürgen, The safety of oral hormone replacement therapy: final results from the EURAS-HRT study. Pharmacoepidemiology and Drug Safety. 2012; Aug; 21(S3) 365. DOI 10.1002.

Bardenheuer Kristina, Dinger Jürgen, VTE risk in users of combined oral contraceptives: impact of a 24-Day regimen containing drospirenone. Pharmacoepidemiology and Drug Safety. 2012; Aug; 21(S3) 361. DOI 10.1002.

Heinemann Klaas, Assmann Anita, Long term active surveillance study for oral contraceptives (LASS): final results on cardiovascular safety. Pharmacoepidemiology and Drug Safety. 2012; Aug; 21(S3) 360. DOI 10.1002.

Barnett Clare, Heinemann Klaas, Dinger Jürgen, Intrauterine devices and risk of uterine perforations: interim results from the EURAS-IUD study. Pharmacoepidemiology and Drug Safety. 2012; Aug; 21(S2) 45. DOI 10.1002.