Mariëtte Goddijn

STUDY QUESTION: Which research topics in the area of infertility should be prioritized in the allocation of research resources? SUMMARY ANSWER: Twelve research priorities were formulated, spanning the following areas: preventing infertilit…

STUDY QUESTION: What is the risk of endometrial cancer after long-term follow-up in women treated with ART between 1983 and 2001 compared with women in the general population and subfertile women who did not undergo ART? SUMMARY ANSWER: Th…

STUDY QUESTION: What are the reproductive outcomes of patients who cryopreserved oocytes or embryos in the context of fertility preservation in the Netherlands? SUMMARY ANSWER: This study shows that after a 10-year follow-up period, the ut…

STUDY QUESTION: Do children, adolescents, and young adults born after ART, including IVF, ICSI and frozen-thawed embryo transfer (FET), have an increased risk of cancer compared with children born to subfertile couples not conceived by ART …

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…

STUDY QUESTION: What are the experiences and the support and sexual advice needs of subfertile couples continuing to attempt natural conception after the diagnostic fertility work-up? SUMMARY ANSWER: Exploration of the experiences of coupl…

BACKGROUND: In vitro fertilisation (IVF) or intracytoplasmic sperm injection (ICSI) treatments conventionally consist of a fresh embryo transfer, possibly followed by one or more cryopreserved embryo transfers in subsequent cycles. An alter…

BACKGROUND: Long-term effects of assisted reproductive technology (ART) on ovarian tumor risk are unknown. METHODS: This nationwide cohort study comprises 30 625 women who received ovarian stimulation for ART in 1983-2000 and 9988 subferti…

Abstract Study question How do infertility patients, endometriosis patients and health care providers rate the virtual care that was provided during the first lockdown of the COVID-19 pandemic? Summary answer Patients and health care provid…

RESEARCH QUESTION: How do infertility patients, endometriosis patients and health-care providers rate virtual care as an alternative to physical consultations during the first lockdown of the coronavirus disease 2019 (COVID-19) pandemic in …

Study questionWhat are the patient-reported outcomes (PROs) and patient-reported experiences (PREs) in home-based monitoring compared to those in hospital-based monitoring of ovulation for scheduling frozen-thawed embryo transfer (FET)?Summ…

STUDY QUESTION: Does pain or volume of used contrast medium impact the effectiveness of oil-based contrast during hysterosalpingography (HSG)? SUMMARY ANSWER: In women who report moderate to severe pain during HSG, the use of oil-based con…

The primary limiting factor for effective IVF treatment is successful embryo implantation. Recurrent implantation failure (RIF) is a condition whereby couples fail to achieve pregnancy despite consecutive embryo transfers. Here we describe …

STUDY QUESTION: Are live birth rates (LBRs) after artificial cycle frozen-thawed embryo transfer (AC-FET) non-inferior to LBRs after modified natural cycle frozen-thawed embryo transfer (mNC-FET)? SUMMARY ANSWER: AC-FET is non-inferior to …

STUDY QUESTION: What reproductive choices do women make after they have cryopreserved oocytes for medical reasons? SUMMARY ANSWER: Women who had cryopreserved oocytes for medical reasons and tried to become pregnant, either attempted natur…