Matthias Kalder

No ORCID on file · 8 papers in corpus
observational 2026
Clinics and practice ·doi:10.3390/clinpract16080152

BACKGROUND/OBJECTIVES: In Germany, women have direct access to gynaecologists without GP referral, making the GP's role in female-specific conditions largely secondary. It has not previously been examined whether the sex of the GP is noneth…

observational 2026
Antibiotics (Basel, Switzerland) ·doi:10.3390/antibiotics15010053

Background: Antibiotics are commonly used in gynecology, yet only limited outpatient prescribing data are available in Germany. The aim of this study is to estimate the prevalence of antibiotic prescriptions in gynecological practices and t…

observational 2023
Breast Cancer Research and Treatment ·doi:10.1007/s10549-023-07211-8

PURPOSE: Given the relatively high incidence of both endometriosis and breast cancer, investigating the potential connection between these gynecological diseases is of substantial clinical significance. However, there is no clear consensus …

observational 2022
International journal of fertility & sterility ·doi:10.22074/ijfs.2021.528397.1113

BACKGROUND: The aim of this study was to investigate whether the prevalence and the therapy patterns of endometriosis differ in 2010 and 2019. MATERIALS AND METHODS: This retrospective cross-sectional study was based on the data from the I…

other 2022
Trials ·doi:10.1186/s13063-022-06204-0

BACKGROUND: The trial investigates the efficacy of internet-based cognitive behavioral therapy (iCBT) in improving health-related QoL in patients with endometriosis, which is a chronic gynecological condition affecting up to 15% of people w…

observational 2021
Journal of psychiatric research ·doi:10.1016/j.jpsychires.2021.07.018

BACKGROUND: There are many diagnoses in the field of gynecology that can severely impact the lives of patients and that are associated with an increased risk of developing depression. The goal of this study was to investigate which gynecolo…

observational 2021
Archives of gynecology and obstetrics ·doi:10.1007/s00404-020-05869-9

PURPOSE: Despite patients' widespread use and acceptance of complementary and integrative medicine (IM), few data are available regarding health-care professionals' current implementation of it in clinical routine. A national survey was con…

observational 2017
German medical science : GMS e-journal ·doi:10.3205/000260

Aim: The goal of this study was to identify potential risk factors for ectopic pregnancy in women followed in German gynecological practices. Methods: The present study included pregnant women diagnosed with ectopic pregnancy and pregnant w…