Régine P.M. Steegers‐Theunissen

BACKGROUND: Health agency refers to one's capacity to form health-related goals, experience control, and possess the means to pursue them. Low socioeconomic status (SES) is linked to impaired health agency and increased risk of adverse preg…

BACKGROUND: Lifestyle behaviors during the periconception period contribute to achievement of a successful pregnancy. Assessment of attitudes and practices toward these modifiable behaviors can aid in identifying gaps in unhealthy lifestyle…

BackgroundObesity is a worldwide problem affecting the health of millions of people throughout the life course. Studies reveal that obesity impairs sperm parameters and epigenetics, potentially influencing embryonic development.ObjectiveTo …

BACKGROUND: Overweight and obesity affect millions of people globally, which has also serious implications for reproduction. For example, treatment outcomes after in vitro fertilisation (IVF) are worse in women with a high body mass index (…

RESEARCH QUESTION: Is an online lifestyle coaching platform more effective at modifying periconceptional behaviours than standard advice offered by the UK National Health Service (NHS)? DESIGN: Women with subfertility or recurrent miscarri…

Inadequate nutrition and lifestyle behaviors, particularly during the periconception period, are associated with a negative impact on embryonic and subsequent fetal development. We investigated the associations between parental nutritional …

OBJECTIVE: To correlate components of the plasminogen activator (PA) system with fertility outcome parameters in participants in an IVF/intracytoplasmic sperm injection (ICSI) procedure. DESIGN: Case-control study. SETTING: Outpatient cli…

BACKGROUND: Thiols are scavengers of reactive oxygen species (ROS). We aim to investigate associations between thiols in various fluids in (sub)fertile couples and fertility outcome parameters. METHODS: In 156 couples undergoing assisted r…