Henriette Svarre Nielsen

The primary aim of the present randomised, double-blind, placebo-controlled trial was to investigate whether clindamycin and live Lactobacillus crispatus CTV-05 (LACTIN-V) would improve clinical pregnancy rates in IVF patients with abnormal…

Study questionWhich research topics in the area of infertility should be prioritized in the allocation of research resources?Summary answerTwelve research priorities were formulated, spanning the following areas: preventing infertility and …

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

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…

Intracytoplasmic sperm injection (ICSI) and conventional in vitro fertilization (c-IVF) are widely used fertilization techniques in assisted reproduction, but their relative effectiveness in patients without severe male factor infertility r…

Passive maternal-fetal transfer of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) antibodies has been demonstrated, whilst the degree of transfer depending on the trimester of infection is lacking. Due to neonates' immature im…

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…

Abstract 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…

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…

PurposeTo investigate baseline parameters and vaginal intimate hygiene habits comparing IVF patients with and without vaginal dysbiosis, a cross-sectional study.MethodsPatients were grouped by the presence of vaginal dysbiosis status determ…

Bleeding in early pregnancy and postpartum hemorrhage (PPH) bear substantial risks, with the former closely associated with pregnancy loss and the latter being the foremost cause of maternal death, underscoring the severe impact on maternal…

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…

The timing of parturition is crucial for neonatal survival and infant health. Yet, its genetic basis remains largely unresolved. We present a maternal genome-wide meta-analysis of gestational duration (n = 195,555), identifying 22 associate…

Study questionHow does nucleus status at the two-cell stage predict blastocysts formation and clinical outcome after single blastocyst transfer?Summary answerBinucleated embryos at the two-cell stage (2BI) show higher rates of good quality …

Pregnancy loss after in vitro fertilization (IVF) is at least as common as after spontaneous conception. Recurrent pregnancy loss (RPL) may often have an immunological background, and it is therefore relevant to test immune-based interventi…

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…

IntroductionOver the last decades, the use of intracytoplasmic sperm injection (ICSI) has increased, even among patients without male factor infertility. The increase has happened even though there is no evidence to support that ICSI result…