van der Zanden M

PURPOSE: This study investigates the role of bacterial vaginosis (BV) on pregnancy rates during various fertility treatments. BV is known to influence several obstetric outcomes, such as preterm delivery and endometritis. Only few studies i…

PURPOSE: This study aimed to investigate the influence of bacterial vaginosis on time to pregnancy in subfertile couples. METHODS: Couples attending a teaching hospital in the Netherlands having an initial fertility assessment (IFA) betwee…

This study aimed to investigate the influence of hormonal treatment on the vaginal microbiome during fertility treatments. Bacterial vaginosis (BV) could affect fecundity, particularly in the in vitro fertilization (IVF) population, where n…

STUDY QUESTION: Is a single endometrial scratch prior to the second fresh IVF/ICSI treatment cost-effective compared to no scratch, when evaluated over a 12-month follow-up period? SUMMARY ANSWER: The incremental cost-effectiveness ratio (…

RESEARCH QUESTION: Would adding cognitive behavioural therapy (CBT) to the treatment of endometriosis improve the quality of life of patients suffering from endometriosis-associated pain? The aim of this study was to identify if patients be…

OBJECTIVES: Endometriosis is characterized by a long interval between onset of symptoms and diagnosis. Detailed information about the patients' perspective on the diagnostic delay of endometriosis is scarce. The aim of this study was to ide…

BACKGROUND: Endometriosis is an invalidating gynaecological condition in women of reproductive age, and a frequent cause of infertility. Unfortunately, the condition is characterized by a long interval between onset of symptoms and diagnosi…

BACKGROUND: Menstrual symptoms such as dysmenorrhea, heavy menstrual bleeding, and perimenstrual mood disorders are known to be widespread among the general population. From studies in patients with endometriosis and premenstrual disorder, …

RESEARCH QUESTION: To evaluate implementation of the key recommendations of the European Society of Human Reproduction and Embryology (ESHRE) guidelines on endometriosis, and to assess factors influencing diagnostic delay of endometriosis f…

BACKGROUND/AIMS: Endometriosis has a long diagnostic delay that is influenced by varying socio-economic and healthcare factors. In the Dutch situation, these factors are not yet identified. The aim of this study is to determine the length o…

Endometriosis is the most common benign gynaecological disorder. The general practitioner (GP) plays an important role in identifying women at early stages of the disease. This study was conducted to acquire information about awareness and …