Henriette Svarre Nielsen

To assess whether exposure to lower-chlorinated PCBs from building materials is associated with increased incidence of UL, endometriosis, and PCOS in female residents. We studied 21,619 residents of two Danish partially PCB-contaminated hou…

Genome-wide association studies (GWASs) may help inform the etiology of infertility. Here, we perform GWAS meta-analyses across seven cohorts in up to 42,629 cases and 740,619 controls and identify 25 genetic risk loci for male and female i…

Abstract Study question • Does adenomyosis increase risk of euploid pregnancy loss (PL)? • Is there a correlation of euploid PL and direct and/or indirect features of adenomyosis? Summary answer No increased risk of euploid PL was observed …

Abstract Study question Does adenomyosis progress over time in women with two or more pregnancy losses? Summary answer Among women with two or more pregnancy losses, adenomyosis tends to gradually progress over time with notable changes obs…

STUDY QUESTION: Do the diagnostic delay and symptoms differ between endometriosis patients with advanced disease, defined as endometriosis involving the vagina, intestine, rectovaginal septum, or bladder (eVIRB), compared to patients withou…

BACKGROUND: Endometriosis is a complex condition with a wide range of comorbidities. It is widely underdiagnosed, with a diagnostic delay of 4 to 10 years, potentially leading to worsened disease progression and a higher burden of comorbidi…

Objective: We investigate symptoms of anxiety and depression among women with asthma prior to fertility treatment. Methods: This is a cross-sectional study of women screened for eligibility to the PRO-ART study (RCT of omalizumab versus pla…

OBJECTIVES: This study aims to translate and cross-culturally adapt the standard version of the World Endometriosis Research Foundation (WERF) EPHect Endometriosis Patient Questionnaire (EPQ) into Danish and to ensure equivalence of a Danis…

OBJECTIVE: To study whether endometriosis is associated with pregnancy loss and recurrent pregnancy loss (RPL). DESIGN: Nationwide historical cohort study with a nested case-control analysis. SETTING: National health registers. PATIENT(S…

STUDY QUESTION: What are the updates for the recommended management of women with recurrent pregnancy loss (RPL) based on the best available evidence in the literature from 2017 to 2022? SUMMARY ANSWER: The guideline development group (GDG…

Background: Women with asthma require fertility treatment more frequently and have longer time to pregnancy, together with a higher risk of pregnancy loss. Type 2 inflammatory cells (eosinophils, mast cells) undergo cyclic changes in the ut…

STUDY QUESTION: What is the microbiome profile across different body sites in relation to the normal menstrual cycle (with and without hormonal contraception), recurrent pregnancy loss (RPL) (before and during pregnancy, pregnancy loss or b…