Christian Torp-Pedersen

OBJECTIVES: To investigate associations between current use of menopausal hormone therapy and development of venous thromboembolism, ischaemic stroke, and myocardial infarction. DESIGN: Nationwide nested case-control study. SETTING: Natio…

IMPORTANCE: Concerns regarding weight changes during hormonal contraceptive use may influence health care-seeking behavior and contraceptive use patterns. While semaglutide use for weight management has increased substantially among women o…

PURPOSE: To investigate the association between hormonal contraceptive use and the risk of retinal vascular occlusions in women of reproductive age. DESIGN: Register-based, nationwide cohort study. PARTICIPANTS: A total of 2,208,172 women…

OBJECTIVE: To evaluate the association between contemporary hormonal contraceptive use and the risk of incident ischaemic stroke and myocardial infarction. DESIGN: Real-world, nationwide, prospective cohort study. SETTING: Denmark, by use…

OBJECTIVE: To estimate the rate of breast cancer associated with use of vaginal oestradiol tablets according to duration and intensity of their use. DESIGN: Registry based, case-control study, nested in a nationwide cohort. SETTING: Based…

BACKGROUND: Use of the high-dose levonorgestrel-releasing intrauterine system (LNG-IUS) has been associated with increased risk of incident depression. Evidence is lacking on the influence of use of two recently marketed low-dose LNG-IUS on…

AIMS: To evaluate diabetic retinopathy (DR) screening incidence in a universal healthcare system. METHODS: Registry-based cohort study based on a Danish regional population from 2009 to 2018. Individuals with diabetes were identified by me…

OBJECTIVE: To study the influence of concomitant use of hormonal contraception and non-steroidal anti-inflammatory drugs (NSAIDs) on the risk of venous thromboembolism. DESIGN: Nationwide cohort study. SETTING: Denmark through national re…

Kawasaki disease has well-described cardiovascular complications. However, the association to autoimmunity and cancer in the long term is not well described. We investigated theses associations using a registry-based matched cohort follow-u…

BACKGROUND: Oral tranexamic acid is effective for heavy menstrual bleeding, but the thrombosis risk with this treatment is largely not studied. METHODS: Using nationwide registries, we assessed associations between use of oral tranexamic a…

IMPORTANCE: In recent decades, the global rates of cesarean delivery have rapidly increased. Nonetheless, the influence of cesarean deliveries on surgical complications later in life has been understudied. OBJECTIVE: To investigate whether…